Abstract: The invention relates to an automatic tile cutter (1) comprising a cutting table (31) for receiving a tile (21) to be cut, and at least one cutting tool (59) that is translatably movable along a guide rail (61) and is to cut the tile along a cutting line such that a cut tile and scraps are obtained, characterized in that the tile cutter additionally comprises: —at least a first conveyor (11) for conveying the tile (21) from a tile loading zone (5) to a tile cutting zone (7); —at least two abutments (15) for blocking the movement of the tile (21) in a predefined tile position in the cutting zone; and —an electronic control unit (57) configured to control the positioning of the abutment elements (15) and the cutting tool (59) relative to each other in accordance with predefined cutting parameters and actuate the cutting tool.

Abstract: What is disclosed is an improved method of sawing wood and an improved sawmill capable of producing vertical grain lumber. Vertical grain lumber is a preferred lumber for use, for example, in trim applications. The improved method and improved sawmill both utilize a track having a carriage, the carriage has a vertical blade and a horizontal blade. The vertical blade and the horizontal blade travel on the carriage down the track. The log is then rotated for another length of lumber to be cut. In a preferred embodiment the sawmill utilizes a skewer for adjusting the log. In a preferred embodiment the log is held by a lathe that can be moved. In a preferred embodiment the log is placed on a skewer before it is engaged by the lathe.

Abstract: Embodiments relate to systems, methods, and apparatuses for shape sawing wood. Specifically, embodiments include an infeed with laterally displaceable positioning rolls and a longitudinal axis between the positioning rolls. The embodiments further include a saw box with a frame and a plurality of saws coupled with a plurality of vertical arbors within the frame. In certain embodiments, the frame is operable to move laterally or rotationally with respect to a horizontal axis of rotation.

Abstract: Embodiments relate to systems, methods, and apparatuses for shape sawing wood. Specifically, embodiments include an infeed with laterally displaceable positioning rolls and a longitudinal axis between the positioning rolls. The embodiments further include a saw box with a frame and a plurality of saws coupled with a plurality of vertical arbors within the frame. In certain embodiments, the frame is operable to move laterally or rotationally with respect to a horizontal axis of rotation.

Abstract: A log carriage employs a fixed knee and a second, movable knee adapted to move along at least a portion of the length of a log, to enable optimal positioning and minimizing knee interference with scanning of the log.

Abstract: A new log support and clamp system (log rest) for a portable sawmill, having a log rest and a log dog. The log rest features a ratcheting, quick-adjustable, self-locking clamp which improves the ability of the user to affix the log in place for sawing. Also, a portable sawmill having such a log rest.

Abstract: The chainsaw apparatus of the present invention, comprising in part, a combination saw attachment and positioning assembly which in concert with a transverse guide rail assembly and a vertical level control assembly allows using a chain saw to alternatively make a cut or a series of cuts in either a vertical or horizontal plane, with said saw blade oriented in a longitudinal cutting direction, in a sawmill device; providing thus for making a cant without turning the log and for making dimensionally accurate cuts of lumber from a log or similar wood based substrate with a minimal number of cutting passes; a blade orientation fine tuning assembly allows of refining a true vertical or horizontal planar attitude of the blade. Two speed mechanical assist gantry travel and a double acting remote chain saw safety switch and throttle trigger control is also provided.

Abstract: A portable, vehicle-towed cut-off saw for firewood and the like is herein disclosed for cutting down regular length firewood into pieces that can be used in a stove or smaller fireplace. The invention is mounted on a steel frame with two wheels and a trailer tongue that allows it to be towed by a vehicle such as an automobile, truck or all-terrain vehicle (ATV). The invention is powered mechanically by an on-board four cylinder gasoline engine which provides power via a series of belts and pulleys. The pulleys drive a large diameter circular saw blade which pivots from the bottom of a large feed table. The invention will cut wood up to 12? in diameter with one pass. The saw blade is retractable, is protected by a guard, and is only exposed when cutting wood. The invention can be towed directly to the cutting or piling site and is easily moved and operated by one person.

Abstract: A device for machining, in particular, profiling tree trunks is provided, which includes two rotating machining tools (2, 3), whose axes (A, B) are essentially offset by 90° in relation to one another and are oriented in an essentially perpendicular direction to the longitudinal axis of the tree trunk. The first machining tool (2) and the second machining tool (3) are arranged in relation to one another in such a way that the first axis (A) and the second axis (B) lie on a common plane (E) and/or that their respective workpiece machining zones (I, II) at least partially overlap one another in the transversal direction of the tree trunk or adjoin one another.

Abstract: A log profiler for sawing surfaces into and along the length of a log may be characterized as including a saw carriage selectively translatable along a track, a pair of log holders on the track for holding the log suspended over and along the track and adapted to selectively rotate the log about its long axis, a linear double-acting saw blade mounted on a blade carriage, the blade translatable linearly along the blade carriage relative to both the blade carriage and saw carriage, the blade carriage selectively rotatable and selectively elevatable relative to the saw carriage.

Abstract: A cutting-apparatus is used to slice a plurality of timber-sections from a log-segment that has a wedge-shaped cross-section. Before the step of slicing the log-segment into the individual timber-sections, there is a prior step of cutting a shape and configuration into the bark-edge-region of the log-segment. This includes cutting the intended outer profiles of timber-sections that eventually will be sliced from the segment. Thereafter, slicing the elongated segment produces timber-sections which have their cross-sections and edges already fully formed by the prior cutting step. The shape and configuration, that is pre-cut into the bark-edge-region, comprises a plurality of edge-face-cuts.

Abstract: In a first aspect of the invention, there is provided a new method for edging a wood board. This method comprises the steps of constructing from the scanned images of a wood board, a virtual entity of the wood board; determining from the scanned images an optimized cut line along the virtual entity; displacing the forward edge of the virtual entity ahead of the leading edge of the wood board; displacing the rear edge of the virtual entity behind the trailing edge of the wood board and sawing the wood board along the optimized cut line on the virtual entity. In another feature, the saw blades inside the board edger are mounted in saw collars and are shifted along the arbor by an electric setworks mounted on the top of the saw box and a shifting arm extending vertically between the setworks and a respective saw collar.

Abstract: Guide arrangement for the handling elements (1), more particularly for the rotators/aligners, of a wood object, such as a log (4), for guiding the control elements (2), such as hydraulic leads, electrical leads and/or pneumatic leads, fitted to the handling elements, wherein the control elements are fixed to the rotatable frame piece (3) of the handling element, into which frame piece the logs (4) can be fed, and in that the guide arrangement comprises at least one guide element (5) guiding the control elements, which is fitted to pass via at least one guide part (6) as well as to the rotatable frame piece of the handling element, and in that the control elements are fitted to the guide element to control and/or to compensate the movement of the control elements.

Abstract: The invention concerns an apparatus and method for guiding a plank towards cutting tools for curve sawing of the plank. The apparatus comprises a first guide and drive mechanism mounted on a platform for receiving, guiding and driving the plank along a path. The first mechanism comprises two first elements arranged opposite relative to the path. The apparatus comprises a second guide and drive mechanism mounted on the platform for guiding and driving the plank from the first mechanism along the path on the support surface up to the cutting tools. The second mechanism comprises two second elements arranged opposite relative to the path while being parallel to the path. The elements of the mechanisms located on the same side of the path are connected through a pivot pin. The apparatus further comprises displacing means for parallel and equidistant displacement relative to the path of the elements of the mechanisms.

Abstract: A device for machining, in particular, profiling tree trunks is provided, which includes two rotating machining tools (2, 3), whose axes (A, B) are essentially offset by 90° in relation to one another and are oriented in an essentially perpendicular direction to the longitudinal axis of the tree trunk. The first machining tool (2) and the second machining tool (3) are arranged in relation to one another in such a way that the first axis (A) and the second axis (B) lie on a common plane (E) and/or that their respective workpiece machining zones (I, II) at least partially overlap one another in the transversal direction of the tree trunk or adjoin one another.

Abstract: A sawmill having a saw blade 11 which can move between a substantially horizontal cutting position and a substantially vertical cutting position, the sawmill having a control arm 14 which operates to move the blade between the substantially horizontal and vertical cutting positions, the control arm 14 being mounted for pivotal movement about an axis 15, there being mechanism 18 which acts against the control arm in a substantially linear manner, wherein movement of the mechanism causes the control 14 arm to pivot about the axis 15 and move the blade 11 between the cutting positions. The sawmill may have a deflector in the form of a flap mounted adjacent the blade to deflect a cut board from the log as the next board is being cut.

Abstract: A combination gang saw and edger system cuts both cants and flitches into boards. Cants and flitches are fed singly, lengthwise into the system on an infeed conveyor. On the conveyor, the cant or flitch is scanned to produce a lengthwise cross-sectional profile. An optimizer determines whether the profile is for a cant or flitch and determines how the piece will be cut. A controller responsive to the optimizer directs the positioning of a first and second set of saws on a pivotably mounted saw arbor to cut either a cant or flitch, respectively. The boards cut from the cant or flitch are fed outfed from the system. The system can cut cants with longitudinal curvature and can cut cants or flitches that are placed at an angle to the length of the infeed conveyor.

Abstract: A method of position-based integrated motion controlled curve sawing includes the steps of: transporting a curved workpiece in a downstream direction on a transfer, and monitoring position of the workpiece on the transfer, scanning the workpiece through an upstream scanner to measure workpiece profiles in spaced apart array, along a surface of the workpiece and communicating the workpiece profiles to a digital processor, computing by the digital processor, a high order polynomial smoothing curve fitted to the array of workpiece profiles of the curved workpiece, and adjusting the smoothing curve for cutting machine constraints of downstream motion controlled cutting devices to generate an adjusted curve generating unique position cams unique to the workpiece from the adjusted curve for optimized cutting by the cutting devices along a tool path corresponding to the position cams, sequencing the transfer and the workpiece with the cutting devices, and sequencing the unique position cams corresponding to the work

Abstract: In a first aspect of the invention, there is provided a new method for edging a wood board. This method comprises the steps of constructing from the scanned images of a wood board, a virtual entity of the wood board; determining from the scanned images an optimized cut line along the virtual entity; displacing the forward edge of the virtual entity ahead of the leading edge of the wood board; displacing the rear edge of the virtual entity behind the trailing edge of the wood board and sawing the wood board along the optimized cut line on the virtual entity. In another feature, the saw blades inside the board edger are mounted in saw collars and are shifted along the arbor by an electric setworks mounted on the top of the saw box and a shifting arm extending vertically between the setworks and a respective saw collar.

Abstract: A resaw apparatus and method of sawing a succession of boards from a cant of a succession of cants. A band saw is vertically positioned to cut the succession of boards from the cant as the cant is reciprocated through the saw. A pivoted raker gate downstream of the band saw's blade engages the cut board and prevents it from passing through the saw in the reverse direction. A vertically movable live hold-down roller upstream of the saw blade presses down on the cant during sawing. A measuring device measures the cant's height prior to sawing the first board from the cant. When the raker gate moves into its vertical position after the cut board passes, the saw blade is raised slightly to avoid contact with cant splinters on the reverse pass. Each cant is processed to completion before sawing the next cant.

Abstract: A sawguide assembly includes a set of sawguides positioned adjacent to one another to create an array of laterally-abutting sawguides. A sawguide biasing assembly biases the sawguides against one another. The array is supported for movement along a lateral path generally parallel to the axis of the arbor. A lateral driver is used to move the entire array in unison along the lateral path. A sawguide array skewing assembly couples the sawguides to one another so that the sawguides can be pivoted in unison about their respective pivot axes by a skewing driver.

Abstract: In combination with a cant sawing or cutting unit, a system for guiding two-faced cants through the cut along the line of their natural curvature which includes at the infeed and outfeed ends of the unit, laterally moveable rollers for clamping upon parallel planar faces of the cant and imparting to it a pivotal movement in the horizontal plane while it is moving forward through the cut, so that the saws or cutters follow along a controlled curve in relation to the natural curvature of said cant.

Abstract: An end-dogging head saw is disclosed comprising a log cradle for supporting a log, a log-turning device for rotating the log into proper alignment with a pair of band saws, the log-turning device depending from overhead log carriages which move the log into contact with the band saws, and a carriage drive for powering the overhead log carriages, whereby short logs can be quickly and efficiently processed. The invention also seeks to provide a method for using the apparatus, comprising rotation of a log through 360 degrees to allow for cutting at any desired angle along the length of the log. The method allows for maximal recovery of high-quality lumber.

Abstract: A resaw apparatus and method of sawing a succession of boards from a cant of a succession of cants. A band saw is vertically positioned to cut the succession of boards from the cant as the cant is reciprocated through the saw. A pivoted raker gate downstream of the band saw's blade engages the cut board and prevents it from passing through the saw in the reverse direction. A vertically movable live hold-down roller upstream of the saw blade presses down on the cant during sawing. A measuring device measures the cant's height prior to sawing the first board from the cant. When the raker gate moves into its vertical position after the cut board passes, the saw blade is raised slightly to avoid contact with cant splinters on the reverse pass. Each cant is processed to completion before sawing the next cant.

Abstract: The present invention relates to a method for manufacturing studs (9) or the like generally oblong pieces comprising a central web (14) and opposite flanges (8a, 8b) connected thereto. The present invention also relates to a stud system comprising such studs, as well as to methods for attaching such studs between an upper and a lower surface. Said flanges (8a, 8b) are formed of an essentially latch-like waste wood material which has been generated in mechanical wood processing, whereby a contact surface (13) is formed at the side of a respective opposite flange latch (8a, 8b) for co-operation with a surface (13a) shaped in a corresponding manner at a web (14) which also is made of wood, suitably of said waste wood material. Said contact surfaces (13, 13a) are glued, favorably under press, together so that said web (14) and said flanges (8a, 8b) attached thereto form an essentially monolithic entity.

Abstract: A bi-directional cutting band mill apparatus utilizes two band saws mounted on a carriage for cutting horizontal sections from logs through successive back and forth passes across each log as the carriage reciprocates on a lower frame wherein a section of the log is cut with one band saw in one pass and then a next section of the lumber is cut by the other band saw as the carriage travels in the opposite direction in the following pass. The bi-directional cutting band mill apparatus includes structural elements that allow for the coincident raising and lowering of both band saws and structural elements that provide for the sequential and incremental adjustment of each band saw preparatory for cutting the sections from the log so that each respective band saw can be positioned for making the appropriate depth of cut through the section of the log during that respective pass of the respective band saw.

Abstract: A saw mill includes a base frame having a front and a rear and being sized and configured to support a log; saw apparatus having a cutting blade and being connected with the base frame for horizontal movement in a cutting stroke from a start position near the front of the base frame to an end position near the rear of the base frame and in a return stroke back to the front of the base frame and being for cutting in a generally horizontal plane a board from the log; power apparatus for powering the saw apparatus; at least one pushback arm connected to the saw apparatus and being sized and configured to engage and eject the board from atop the log during the return stroke; and, a board guide apparatus extending generally forwardly from the saw apparatus and including a crossbar and plurality of fingers connected with the crossbar and positioned to engage and guide the board in a desired path as it is being ejected from the log, each finger including an upper link connected to the crossbar and a lower link hinge

Abstract: Five processes for cutting teak wood timber so that the resulting logs have at least one straight-line grain surface and minimal surface area showing buds. Logs or thin sections thereof when aligned and glued together form boards or planks with straight-line grain surfaces.

Abstract: A rotatable saw unit for optimized log breakdown includes a saw unit immediately downstream of an infeed conveyor and cooperating with the infeed conveyor for sawing a workpiece as the workpiece is translated by the infeed conveyor into the saw unit. The saw unit includes at least one saw aligned for sawing of the workpiece parallel to a longitudinal infeed axis. An optimizing processor determines an optimized sawing orientation relative to the longitudinal infeed axis. A saw unit positioner'selectively rotates the saw unit about a saw unit rotation axis so as to rotate the at least one saw into the optimized sawing orientation prior to sawing of the workpiece.

Abstract: The present invention consists of a lathe attachment for installation on a portable bandsaw mill, for turning round shafts from wood blocks on the portable bandsaw mill. The lathe attachment has an elongated chassis, a tailstock and a headstock mounted on opposite ends of the chassis for holding and rotating a wood block along the chassis. Bindings are provided to retain the chassis to the cross beams of the portable bandsaw mill. In another aspect of the invention, a number of symmetrical facets are firstly sawed along the wood block prior to turning the wood block. The turning of a round shaft on the bandsaw mill is preferably effected while the alignment of the wood block or shaft makes an acute angle with the direction of movement of the bandsaw head.

Abstract: A saw mill includes a base frame having a front and a rear and being sized and configured to support a log; saw apparatus having a cutting blade and being connected with the base frame for horizontal movement in a cutting stroke from a start position near the front of the base frame to an end position near the rear of the base frame and in a return stroke back to the front of the base frame and being for cutting in a generally horizontal plane a board from the log; power apparatus for powering the saw apparatus; at least one pushback arm connected to the saw apparatus and being sized and configured to engage and eject the board from atop the log during the return stroke; and, a board guide apparatus extending generally forwardly from the saw apparatus and including a crossbar and plurality of fingers connected with the crossbar and positioned to engage and guide the board in a desired path as it is being ejected from the log, each finger including an upper link connected to the crossbar and a lower link hinge

Abstract: A method of position-based integrated motion controlled curve sawing includes the steps of: transporting a curved workpiece in a downstream direction on a transfer, and monitoring position of the workpiece on the transfer, scanning the workpiece through an upstream scanner to measure workpiece profiles in spaced apart array, along a surface of the workpiece and communicating the workpiece profiles to a digital processor, computing by the digital processor, a high order polynomial smoothing curve fitted to the array of workpiece profiles of the curved workpiece, and adjusting the smoothing curve for cutting machine constraints of downstream motion controlled cutting devices to generate an adjusted curve generating unique position cams unique to the workpiece from the adjusted curve for optimized cutting by the cutting devices along a tool path corresponding to the position cams, sequencing the transfer and the workpiece with the cutting devices, and sequencing the unique position cams corresponding to the work

Abstract: A method and an apparatus for dissecting logs in a sawing installation are disclosed. The installation having a reciprocally moving longitudinal conveyor for moving the logs reciprocally through a double band saw assembly utilizing band saw blades having sawing teeth both on a forward longitudinal edge and a rearward longitudinal edge thereof. As a consequence, the log is sawn both during the forward stroke and during the backward stroke of the reciprocally moving conveyor. Between subsequent strokes the band saw blades are displaced radially with respect to the conveying direction such that during each stroke the log first comes into contact with an outward band saw blade and then with an inward band saw blade, both relative to the log axis.

Abstract: In combination with a cant sawing or cutting unit, a system for guiding two-faced cants through the cut along the line of their natural curvature which includes at the infeed and outfeed ends of the unit, laterally moveable rollers for clamping upon parallel planar faces of the cant and imparting to it a pivotal movement in the horizontal plane while it is moving forward through the cut, so that the saws or cutters follow along a controlled curve in relation to the natural curvature of the cant.

Abstract: There is provided a glulam wood beam comprising planks having a width substantially smaller than the width of the beam, assembled into snips. The beam is characterized by the presence of flash in the interior by external surfaces made essentially of duramen. There is further provided a method for making the wood beam of the instant invention wherein the strips are derived from panels and in which the cutting of the panels into strips is programmed to ensure that the subsequent assembly of the strips will result in beams having external surfaces comprised essentially of duramen, thus providing a beam with enhanced mechanical resistance.

Abstract: The invention relates to a method for cutting a log into pieces. The log is cut into pieces with at least two nearly diametrical cuts (S1, S2), where the outermost lie essentially symmetrically around the pith of the stock. Each so-obtained plank is edged (S7, S8) with the outer side as a reference for the trimming direction. Two planks are formed through a cut (S9, S10) being placed near to the pith essentially parallel with each edged outer side. The cutting is performed on the outermost part of the log with the alignment cut (S3, S4) essentially parallel with the nearly diametrical cuts (S1, S2) preferably in the same operation as the cutting into pieces with the nearly diametrical cuts. Each block with the alignment cut (S3, S4) is conveyed through at least one twin-bladed saw, the cuts of which are inclined with respect to the base surface of the block, for example 30° and cut essentially radially symmetrically around the position of the pith.

Abstract: To produce square beams from tree trunks (13), a device is proposed in which a tree trunk (13) is first positioned by a centering device (4) such that the lengthwise axis (14) of the tree trunk (13) assumes essentially always the same stipulated position. The tree trunk (13) is then grasped by holders (11, 12) of a carriage (8) concentrically to the lengthwise axis (14), whereupon the centering device (4) is opened. Then the tree trunk (13) is guided through a band saw (5) and trimmed on the opposite sides, whereupon it is turned by 90° and the two other sides of the tree trunk (13) are trimmed.

Abstract: A lumber feeding mechanism for feeding lumber pieces laterally on a supply conveyor after scanning them with a light scanner to determine a reference axis for the optimum yield of boards. The lumber pieces are fed by dogs from a start position to a feed position in alignment with a feed conveyor which feeds such pieces longitudinally through a lumber edger with adjustable cutting saws. The feeding mechanism includes alternating sets of first and second dogs which are pivoted between a raised position for engagement with the rear edges of the lumber pieces to push such pieces from the start position to the feed position and a retracted position to enable the dogs to be returned to the start position passing on opposite sides or on the same side of the piece. Electrical actuation motors or fluid cylinder actuation motors with rotating output gears are used to pivot the dogs in response to a control signal produced by an electrical control system.

Abstract: Ultrasonic techniques are applied to the measurement of wooden members to detect splitting during sawing operations and thereby allow modification of sawing technique or change in saw cut placement.

Abstract: The invention relates to a method of sawing a log in order to provide a high yield of vertical-grained pieces of lumber. According to the invention, this is achieved by sawing from the log not only pieces of lumber which are triangular or sector-shaped in cross-section but also essentially plane-parallel boards between adjacent pairs of the pieces which are triangular or sector-shaped in cross-section.

Abstract: This invention applies to a shape sawing system for sawing lumber pieces from a curved cant portion. A scanner scans the cant portion as it is conveyed on a conveyor system and inputs the scan data into a computer. The computer determines the curvature and position of the cant portion on the conveyor system. The conveyor system conveys the cant portion through side chippers and into a saw. The side chippers are independently laterally adjustable to follow the curvature of the cant portion. Guide members mounted strategic to the saw guide the cant portion into the saw. The saw is pivotally and laterally adjustable to follow the curvature of the cant portion to produce full length and partial length lumber pieces from the cant portion.

Abstract: Procedure for working curved tree trunks by chipping into timber products, such as boards and cants, in which procedure the trunk (T) is crook-chipped and a straight side board (S1) is edged at the same time. The invention also relates to an apparatus for implementing the procedure.

Abstract: The circular saw mill has an engine driven circular saw on a carriage. The carriage has a table that catches the sawn lumber and caries it back to the operator. The saw mill is laid out so one man can operate the mill, which eliminates the necessity for extra help. The set works for the saw mill has a hand lever at the operator station so the operator can advance the log towards the saw, controlling the thickness of the board to be cut. The log is held in a position for cutting by conventional dog asssemblies. The carriage is moved by a conventional chain and sprocket mounted on a hydraulic motor powered by a hydraulic power unit.

Abstract: An active edger includes an actively positionable gangsaw or a first end saw mounted on an arbor mounted within a stationary saw box. The gangsaw or first end saw is actively positionable relative to the saw box. In a second embodiment, the gangsaw or first end saw is mounted on an arbor in fixed translational and skewing relation relative to, and within, an actively positionable saw box. The actively positionable gangsaw is selectively actively laterally translatable and selectively actively rotatable so as to skew the gangsaw relative to the saw box. In both embodiments, the saw box receives a workpiece, longitudinally conveyed in a downstream direction, longitudinally into the gangsaw or first end saw from an upstream position.

Abstract: A method of position-based integrated motion controlled curve sawing includes the steps of: transporting a curved workpiece in a downstream direction on a transfer, and monitoring position of the workpiece on the transfer, scanning the workpiece through an upstream scanner to measure workpiece profiles in spaced apart array, along a surface of the workpiece and communicating the workpiece profiles to a digital processor, computing by the digital processor, a high order polynomial smoothing curve fitted to the array of workpiece profiles of the curved workpiece, and adjusting the smoothing curve for cutting machine constraints of downstream motion controlled cutting devices to generate an adjusted curve generating unique position cams unique to the workpiece from the adjusted curve for optimized cutting by the cutting devices along a tool path corresponding to the position cams, sequencing the transfer and the workpiece with the cutting devices, and sequencing the unique position cams corresponding to the work

Abstract: A portable bank saw sawmill which includes a specially designed tubular frame with four rigid tubular posts attaching the overhead track system to the lower deck frame. Logs are placed and secured on the lower frame, the bandsaw assembly moves longitudinally of the frame by use of the overhead track, to make successive cuts with the saw. A hydraulic motor driving a sprocket and chain turns threaded rods to raise and lower the cutting assembly from the overhead track.

Abstract: A method of position-based integrated motion controlled curve sawing includes the steps of: transporting a curved workpiece in a downstream direction on a transfer, and monitoring position of the workpiece on the transfer, scanning the workpiece through an upstream scanner to measure workpiece profiles in spaced apart array, along a surface of the workpiece and communicating the workpiece profiles to a digital processor, computing by the digital processor, a high order polynomial smoothing curve fitted to the array of workpiece profiles of the curved workpiece, and adjusting the smoothing curve for cutting machine constraints of downstream motion controlled cutting devices to generate an adjusted curve generating unique position cams unique to the workpiece from the adjusted curve for optimized cutting by the cutting devices along a tool path corresponding to the position cams, sequencing the transfer and the workpiece with the cutting devices, and sequencing the unique position cams corresponding to the work

Abstract: A method of log sawmilling capable of producing quartersawn boards, backsawn boards, trapezoidal sections and radial sector wedges for direct use and further processing, comprising the steps of: (a) sawing a log or logs into radial sector wedges with predetermined angles between the radial face, (b) separating wedges or batches of wedges for processing by separate or integrated means into backsawn boards, quartersawn boards, trapezoidal sections or further divided sector wedges.

Abstract: An edging and curve-sawing saw has a selectively skewable sawbox, skewable to a workpiece infeed path so as to receive workpieces translated longitudinally along the infeed path and into the sawbox. The sawbox rotatably supports a saw arbor. A plurality of saw blades are slidingly mounted on the saw arbor in a parallel laterally spaced array. The saw blade array spacing is selectively adjustable device mounted to the sawbox. The array is slide on the arbor relative to the sawbox according to an optimized profile.

Abstract: A method of position-based integrated motion controlled curve sawing includes the steps of: transporting a curved workpiece in a downstream direction on a transfer, and monitoring position of the workpiece on the transfer, scanning the workpiece through an upstream scanner to measure workpiece profiles in spaced apart array, along a surface of the workpiece and communicating the workpiece profiles to a digital processor, computing by the digital processor, a high order polynomial smoothing curve fitted to the array of workpiece profiles of the curved workpiece, and adjusting the smoothing curve for cutting machine constraints of downstream motion controlled cutting devices to generate an adjusted curve generating unique position cams unique to the workpiece from the adjusted curve for optimized cutting by the cutting devices along a tool path corresponding to the position cams, sequencing the transfer and the workpiece with the cutting devices, and sequencing the unique position cams corresponding to the work