Abstract: A clamping device for a machine table comprises a clamping plate having a receptacle into which a draw-in bolt is insertable through an opening. A clamping mechanism immobilizes the draw-in bolt in the receptacle. A closure cap is movable inside the receptacle between a closed position and an operating position in which the closure cap is pushed into the receptacle by the draw-in bolt. The draw-in bolt is inserted into the receptacle and immobilized with the clamping mechanism. A centering surface is implemented on the end surface of the closure cap facing toward the outer side of the clamping device and/or on the end surface of the draw-in bolt facing toward the inner side of the clamping device. The centering surface pre-centers the draw-in bolt when it is inserted into the receptacle and its end surface thereby comes into contact with the end surface of the closure cap.

Abstract: A clamping device for a machine table comprises a clamping plate having a receptacle into which a draw-in bolt is insertable through an opening. A clamping mechanism immobilizes the draw-in bolt in the receptacle. A closure cap is movable inside the receptacle between a closed position and an operating position in which the closure cap is pushed into the receptacle by the draw-in bolt. The draw-in bolt is inserted into the receptacle and immobilized with the clamping mechanism. A centering surface is implemented on the end surface of the closure cap facing toward the outer side of the clamping device and/or on the end surface of the draw-in bolt facing toward the inner side of the clamping device. The centering surface pre-centers the draw-in bolt when it is inserted into the receptacle and its end surface thereby comes into contact with the end surface of the closure cap.

Abstract: The invention concerns a clamping device for retaining a draw-in bolt (11) on a machine table, a clamping plate, or the like, having a receptacle (10) into which the draw-in bolt (11) is insertable, and having a clamping mechanism in order to retain the draw-in bolt (11) in the receptacle (10), the clamping mechanism having a collet chuck having several clamping tongues (13) which at their one end are retained on a holding element (14) arranged in the receptacle (10), and at their free end are movable between a radially inner clamping position and an outer release position, and are lockable in the clamping position by way of a piston (5). The clamping device according to the present invention is characterized in that the holding element (14) with the clamping tongues (13) is axially displaceable, and is arranged in the receptacle (10) with radial clearance.

Abstract: The invention concerns a clamping device for retaining a draw-in bolt (11) on a machine table, a clamping plate, or the like, having a receptacle (10) into which the draw-in bolt (11) is insertable, and having a clamping mechanism in order to retain the draw-in bolt (11) in the receptacle (10), the clamping mechanism having a collet chuck having several clamping tongues (13) which at their one end are retained on a holding element (14) arranged in the receptacle (10), and at their free end are movable between a radially inner clamping position and an outer release position, and are lockable in the clamping position by way of a piston (5). The clamping device according to the present invention is characterized in that the holding element (14) with the clamping tongues (13) is axially displaceable, and is arranged in the receptacle (10) with radial clearance.

Abstract: The invention depicts and describes a clamping device for securing a draw-in bolt (12) on a machine table, a baseplate, or the like, having a piston (6) that is arranged movably in a cylinder bore (4) to form a pressure chamber (5), a cover (9) that closes off the cylinder bore (4) on the side opposite the pressure chamber (5), a receptacle (11) which is configured in the piston (6) and/or the cover (9) and into which a draw-in bolt (12) can be inserted, and a clamping mechanism in order to secure a draw-in bolt (12) in the receptacle (11), the clamping mechanism being actuable by displacement of the piston (6) between a clamped position into which it is pushed by spring elements (10) that are arranged in a spring chamber (2) provided between the piston (6) and cover (9), and a released position into which it can be brought by impingement of a hydraulic medium on the pressure chamber (5), which is characterized in that the spring chamber (2) is connected to the receptacle (11) by at least one runoff duct (19)

Abstract: A clamping device for securing a draw-in bolt on a machine table or a base plate. The clamping device has a piston axially displaceable in a recess of the machine table and is hydraulically actuable. The clamping device has a cover, which is secured to the machine table in order to close off the recess in the machine table. The piston and the cover form a receptacle into which a draw-in bolt can be inserted through the cover, and in which it can be secured by way of a clamping mechanism actuable by displacement of the piston. The clamping device is characterized in that there is inserted into the machine table recess an integrally configured bushing, in which the piston is held displaceably forming a pressure chamber. The cover is attached to the machine table. The attachment to the machine table is accomplished by way of multiple bolts passing axially through the bushing into the machine table. The bushing and the cover have centering surfaces for positioning on the machine table or base plate.

Abstract: The invention depicts and describes a clamping device for securing a draw-in bolt (12) on a machine table, a baseplate, or the like, having a piston (6) that is arranged movably in a cylinder bore (4) to form a pressure chamber (5), a cover (9) that closes off the cylinder bore (4) on the side opposite the pressure chamber (5), a receptacle (11) which is configured in the piston (6) and/or the cover (9) and into which a draw-in bolt (12) can be inserted, and a clamping mechanism in order to secure a draw-in bolt (12) in the receptacle (11), the clamping mechanism being actuable by displacement of the piston (6) between a clamped position into which it is pushed by spring elements (10) that are arranged in a spring chamber (2) provided between the piston (6) and cover (9), and a released position into which it can be brought by impingement of a hydraulic medium on the pressure chamber (5), which is characterized in that the spring chamber (2) is connected to the receptacle (11) by at least one runoff duct (19)

Abstract: A clamping device for securing a draw-in bolt on a machine table, a base plate, or the like has a piston that is arranged axially displaceably in a recess of the machine table and is hydraulically actuable. There is a cover secured to the machine table in order to close off the recess. The piston and/or the cover form a receptacle into which the draw-in bolt can be inserted through the cover by a clamping mechanism, actuable by displacement of the piston. Inserted into the recess is an integrally configured bushing in which the piston is held displaceably for forming a pressure chamber. The cover is attached on one hand to the bushing and on the other hand to the machine table. The attachment to the machine table is accomplished by way of multiple bolts passing axially through the bushing. The bushing and/or the cover have sintering services for positioning on the machine table.

Abstract: The invention is a clamping device for fastening a draw-in bolt to a machine table or a baseplate. The clamping device has a piston axially displaceable in a recess of the machine table and which is also hydraulically actuateable. The clamping device also has a cover, a clamping mechanism, and an integral bushing positioned in the machine table recess. At least one of the piston and the cover form a receptacle into which the draw-in bolt can be inserted through the cover and fastened to the clamping device by the clamping mechanism. The clamping mechanism is actuateable by displacement of the piston. The piston is also displaceable in the bushing with the bushing and the piston cooperating to form a pressure space. The cover is fastened to and centered upon the bushing and is fastenable to the machine table in order to close off the recess.

Abstract: The invention concerns a clamping device for securing a draw-in nipple (12) to a clamping plate, having a receptacle (11) into which the draw-in nipple (12) is insertable, and having a clamping mechanism in order to immobilize the draw-in nipple (12) in the receptacle (11), and is characterized in that at least one air delivery conduit (23), connectable to a compressed air source, opens into the receptacle (11).