Abstract: A roll-forming machine formed of a machine base, a guide block unit, pairs of forming roll sets, a first adjustable shape-forming wheel set, a second adjustable shape-forming wheel set, a first lower auxiliary shape-forming wheel set, a second lower auxiliary shape-forming wheel set, an upper auxiliary shape-forming wheel set, a small straightener and a big straightener for the formation of a C-shaped component or a Z-shaped component from a sheet material is disclosed in such a manner that a wide space is provided around each of the adjustable shape-forming wheel assembly, the non-adjustable shape-forming wheel assembly and the adjustable shape-forming wheel set to facilitate maintenance work and, the coupling walls and sidewalls of the non-adjustable shape-forming wheel assembly and the adjustable shape-forming wheel set are mounted with respective pivot shafts and fastening members for quick positioning of the respective shape-forming wheels, assuring high stability and accurate processing.

Abstract: An angle adjustment structure installed in a hydraulic cut-off press between a worktable and a machine base for adjusting the angular position of the worktable relative to the machine base is disclosed to have arched rails fixedly symmetrically provided at two opposite upright peripheral walls of the worktable at the bottom side, arched sliding grooves respectively formed in two opposite upright peripheral walls of the machine base at the top side for supporting the arched rails, a worm pivotally mounted in the machine base, and an arched worm gear fixedly mounted in the worktable at the bottom side and meshed with the worm for moving the worktable relative to the machine base along the arched sliding grooves upright rotation of the worm to adjust the angular position of the worktable by an external biasing force.

Abstract: In a roll-forming machine having pairs of forming roll sets and two first and two second auxiliary shape-forming wheel sets for processing C-shaped component or Z-shaped component, each first auxiliary shape-forming wheel set having, in addition to an upper auxiliary shape-forming wheel, a bottom auxiliary wheel for working with a respective lateral shape-forming wheel to ram each of two sides of a C-shaped or Z-shaped component into a 90° contained angle, and each second auxiliary shape-forming wheel set having, in addition to an upper auxiliary shape-forming wheel, a bottom auxiliary wheel for working with a respective lateral shape-forming wheel to ram each of two sides of a C-shaped or Z-shaped component into a 90° contained angle, so that the operator needs not to shut down the machine or to change or calibrate the machine parts when wishing to change the processing from a C-shaped component processing mode to a Z-shaped component processing mode or from a Z-shaped component processing mode to a C-shaped

Abstract: A T-bracket and spring plate riveting machine for use with a T-bracket making machine is disclosed to have a conveyer for carrying T-brackets from the T-bracket making machine to a front side for processing, two pitch-adjustable riveting units for stamping metal sheet materials into spring plates and riveting two spring plates to the ends of each T-bracket, and sensor-controlled corrector frames for correcting the position of the T-bracket before riveting if necessary.

Abstract: A light steel ceiling rack formed of first frame bars and second frame bars, each second frame bar having respective second horizontal top flanges terminating in beveled end edges for engaging into respective notches in the first frame bars and respective first horizontal top flanges provided with end projections for stopping below respective first horizontal top flanges of the first frame bars upon insertion of end plug strips of the second frame bars into respective mounting holes of the first frame bars to enhance the connection and to prevent formation of a gap in the connection area between each first frame bar and each second frame bar.

Abstract: A punching machine installed in the machine base of a roller shape forming machine in a metal working system and controlled to punch holes on a metal sheet material being delivered through the roller shape forming machine during operation of the roller shape forming machine. The punching action, i.e., the cycling of the closing and opening actions of the punch mold of the punching machine is set to match with the delivering speed of the metal sheet material in the roller shape forming machine so that the punching operation of the punching machine is continued during processing operation of the roller shape forming machine.

Abstract: A corrugated sheet member bending machine is disclosed to include a base frame, a housing pivotally supported on the base frame and turnable within 90-degrees to fit different workpiece insertion angles and different workpieces, a set of drive rollers mounted on a wheel shaft and rotatable by a motor, a set of driven rollers pivotally supported on a sliding plate movable relative to the drive rollers by a hydraulic cylinder, a bottom die fixedly mounted inside the housing at the bottom, and a movable upper die movable by a hydraulic cylinder for stamping on the inserted workpiece against the bottom die to curve the workpiece.

Abstract: A thermoinsulation metal encaustic tile making machine practical to selectively make thermoinsulation metal encaustic tiles having a thin-layer non-metal top sheet or thermoinsulation metal encaustic tiles having a top metal sheet is disclosed to include a top sheet feeder, a top metal sheet shape-forming roller unit, a thermoinsulation film feeder, a machine base, a polyurethane foaming unit, a top transferring mechanism, and a cutting unit.

Abstract: A hydraulic cut-off press includes a base, a body vertically movable along vertical tracks at the base, a plurality of raisers provided at the body in four corners, each raiser having a holder base, a raiser screw vertically mounted in the holder base and fixedly connected to the base, a transmission gear set mounted inside the holder base and meshed with the raiser screw, and an axle extended out of the holder base, a transmission system formed of transmission shafts and couplings for coupling the axles of the raisers to one another for synchronous rotation, and a motor for rotating the axle of the first raiser to move the raiser screws of the raisers to move the body to the desired elevation relative to the base.

Abstract: Disclosed is a roll-forming machine formed of a machine base and pairs of forming roll sets for the formation of a C-shaped component or a Z-shaped component from a sheet material, the two forming roll sets of each pair being symmetrically disposed at left and right sides on the machine base such that a gap is defined between the two impression wheels and two sheet-transfer wheels of each pair of forming roll sets for easy performance of maintenance work. The shaft-forming wheels of the forming roll sets of the 1st and 4th pairs are mounted with a respective locating block for easy rotation through 180° between two positions and selectively locking in one of the two positions by a respective locating rod to set the roll-forming machine for processing C-shaped component or Z-shaped component.

Abstract: A roll-forming machine formed of a machine base, a plurality of sheet-transfer roll sets, and a plurality of forming roll sets and adapted for the formation of a C-shaped component or a Z-shaped component from a sheet material is disclosed to have an adjustment structure for adjusting the horizontal pitch between the left-side forming rolls and the right-side forming rolls, the vertical pitch between the first left-side forming toll and the second left-side and the vertical pitch between the first right-side forming roll and the second right-side forming roll, and the pitch between the impression roll and sheet-transfer roll of each sheet-transfer roll set.

Abstract: Disclosed is an U/Z-shaped steel bar manufacturing process, which includes the steps of (a) supplying a steel sheet material from a material rack to a flattening machine, (b) operating the flattening machine to flatten the steel sheet material and then delivering the steel sheet material to a punch press for punching, (c) operating the punch press to selectively drive the punch dies to punch the steel sheet material with punch holes subject to a predetermined punch pattern, (d) delivering the punched steel sheet material to a roll forming machine and then operating the roll forming machine to ram the punched steel sheet material into an U/Z-shaped steel bar, (e) operating a straightening machine to straighten the U/Z-shaped steel bar, and (f) operating a conveyer to carry the finished product backwards for packing and further delivery or storage.

Abstract: A corrugated sheet forming unit used in a corrugated sheet material making machine for processing a metal sheet material into a corrugated sheet is disclosed to include a table vertically movable to fit the elevation of the conveyer and receiving unit of the machine and to carry first shape forming roller sets or second shape forming roller sets into the working position for processing the supplied sheet material into a corrugated sheet of a first pattern or a corrugated sheet of a second pattern selectively.

Abstract: A metal encaustic tile making machine includes a machine base, a corrugation forming roller unit controlled to corrugate a continuous sheet of metal sheet material into a corrugated metal sheet, an angle forming unit controlled to stamp the corrugated metal sheet into a metal encaustic tile having angles, a cutting unit controlled to cut the finished metal encaustic tile from the continuous sheet of metal sheet material, a slide carrying the angle forming unit and the cutting unit on the machine base, and a motor controlled to move the slide forwards/backwards along two parallel guide rails at the machine base via a transmission screw to fit the delivering speed of the continuous sheet of metal sheet material.

Abstract: A finished product receiving system is disclosed to include an elongated rack body with rollers, terminals arranged in parallel at one lateral side of the rack body, a driving rod, a plurality of links coupled between the driving rod and the rollers, a master air cylinder controlled to move the driving rod to further force the links to bias the rollers of the elongated rack body between the operative position for receiving finished metal sheet members from a metal sheet member processing machine and the non-operative position for enabling received finished metal sheet members to fall to the terminals, and auxiliary air cylinders respectively installed in the terminals and controlled to move a respective piston rod between the extended position for receiving finished metal sheet members from the rollers of the rack body and the received position for moving collected finished metal sheet members from the front side of the terminals to the rear side for further delivery.

Abstract: An encaustic metal tile fabrication equipment includes a roller unit operated to roll an encaustic metal sheet into a corrugated encaustic metal sheet, a shape forming mechanism having a first shape forming mold unit and a second shape forming mold unit and operated to process the corrugated encaustic metal sheet into an encaustic metal tile having a bend with a recessed portion, and a cutting unit operated to cut the finished encaustic metal tile to the desired size.