Listing ID #4533159
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Thread rolling is a chipless cold forming process. A plain cylindrical blank, with a diameter part way between the major and minor diameters of the finished thread, is rotated and squeezed between cylindrical type hardened steel dies whose working surface are the reverse of the thread form to be produced. The threads of the die penetrate the surface of the black as it rolls between them, displacing material to form the roots of the threads, and forcing the displayed material readily outward to form the crests. Unlike other threading process, no material is wasted.
Most threads are rolled by the in-feed method in which the entire thread length is formed simultaneously without axial movement of the part. Threads that is too long to be produced by the in-feed method can, however, be rolled by a thru feed method on these type of machine.
Model | TR-24B | TR-42D | TR-80A |
Work Piece (in Feed) | 3-24 mm | 3-50 mm | 10-80 mm |
Max. Pitch of Thread (Standard V Thread) | 3 mm | 5 mm | 10 mm |
Max. Serrations Pitch | 1.0 mm | 1.6 mm | 3 mm |
Max. Die. Width | 80 mm | 150 mm | 200 mm |
Max. Through Feed Thread Length | 6 meter | 6 meter | 6 meter |
Max. Rolling Force (infinitely adjustable) | 6 tons | 16/20 tons | 30 tons |
Spindle Axis Swivel for through Feed | 50 | 50 | 120 |
Roll Spindle | 40 mm | 4 mm | 69.85 mm |
Max. Rolling Die | 120 mm | 180 mm | 220 mm |
Roll Spindle Speed (RPM) | 60/90 | 20/40/60 | 16/22/34/73/110/150 |
Main Motor (H.P.) | 3 | 05/07/05 | 15 |
Hydraulic Power Pack Motor (H.P.) | 1 | 02/03/18 | 3 |
Coolant Pump | 1/8 H.P. | 1/8 H.P. | 1/2 H.P. |
Electrical Connection | 415 V. 50 Hz, 3 Phase | 415 V. 50 Hz, 3 Phase | 415 V. 50 Hz, 3 Phase |
Appx. Weight | 1000 Kg. | 2200 Kg. | 3500 Kg. |