How to design thread rolling dies

Welcome to greatcity machinery - how to design thread rolling dies?

1. Change the working position of the selector switch, you can choose automatic rolling and foot pedaling mode rolling and manual mode.

Automatic circulation mode: start the hydraulic motor, turn the selector switch to automatic, and adjust the automatic roll-in time and back-off time according to the hydraulic needs. (roller manufacturer) At this time, the sliding seat is under the action of hydraulic pressure controlled by the forward time relay For feed movement, the sliding seat is controlled by the back rest time relay to make a back rest movement.

Foot pedal cycle mode: plug in the pedal cord connector, and the time relay stops working. Use the foot pedal to switch down and the sliding seat moves forward under hydraulic pressure. After the work is completed, the foot is lifted and the sliding seat is in hydraulic pressure. Retreated under pressure.

2. When installing the thread rolling wheel, the connecting rod should be cleaned. When loading and unloading the thread rolling wheel, first remove the wheel rod support seat respectively, (the rolling wheel manufacturer) install the thread rolling wheel on the wheel rod, and adjust The washer adjusts the rolling wheel to the required axial position. The end faces of the two rolling wheels should be adjusted to a horizontal surface as much as possible. The rolling wheel and the supporting seat bearing are combined with a gasket to prevent the rolling wheel from moving axially.

3. The support seat should be in the center of the workpiece. With the diameter of the rolled workpiece, the position of the support seat needs to be changed. Adjustment method: loosen the two fixing bolts, move the support seat to the desired position, and tighten the bolts.

4. The support block is installed on the support seat, and the top is welded with hard alloy. (to produce rolling wheels) loosen the support block fastening bolts, add or remove washers at the bottom of the support block to adjust the height of the support block, and then tighten the bolts. The height of the support block plays an important role in the rolling process.

(1) The height of the support block depends on the specifications of the rolled workpiece, and can be slightly higher or lower according to different workpiece materials. Under normal circumstances, for ordinary steel, high-quality carbon steel and non-ferrous metal workpieces, the center of the workpiece can be slightly lower than the center of the roller rod by 0-0.25mm, and for high-strength, high-quality alloy steel and stainless steel workpieces, the center of the workpiece can be slightly Higher than the center of the roller rod. In use, users should adjust according to actual conditions.

(2) The width of the support block should be based on the fact that the rolling wheel will not collide with the support block during rolling. (Rolling wheel) For workpieces with a diameter below M10, the width should be close to the maximum allowable width. For workpieces above M10, the top width of the support block is allowed to be larger, but it does not need to exceed 18mm.

Greatcity machine thread rolling machine operate video:

https://www.youtube.com/playlist?list=PLIAn-YIfQ-FhNfo4IHrk9uYDb6YDVZftG