This Anchor Bolt Thread Rolling Machine is suitable for cold-pressing straight, serrated, and oblique threads on workpieces with diameters ranging from 4-0.36mm. Equipped with a spiral thread rolling wheel, it can process set threads and through threads (rivets). Constructed from welded steel plates, this machine features a reasonable structure, simple operation, and reliable quality, making it an ideal device for producing non-standard threads and standard parts (bolts).
An automatic feeding device can be added according to user requirements.
The hydraulic thread rolling machine is a multi-functional cold extrusion forming machine tool. Within its rolling pressure range, it can perform thread rolling, straight, and oblique thread rolling on cold workpieces. It is an advanced non-cutting machining process that effectively improves the internal and surface quality of the workpiece. The radial compressive stress generated during processing can significantly improve the fatigue strength and torsional strength of the workpiece. It is an energy-saving and low-consumption ideal hydraulic thread rolling process.
Adjust the thread pitch and the distance between the three thread rolling dies so that the distance between them is approximately an equilateral triangle relative to the workpiece. Open the hydraulic manual gear and adjust the cylinder nut to hold the dies in place so that the thread rolling dies on the moving guide rail just contact the workpiece when it is fed out.
Z28-40 Anchor Bolt Thread Rolling Machine specification sheet
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Items |
Parameters |
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diameter |
φ4-φ36mm |
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thread pitch |
0.5-4.0mm |
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Spindle Angle |
±6° |
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Maximum rolling pressure |
120kn |
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Spindle RPM |
Exchange gear 39/49/66/82rpm |
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Thread rolling wheel range |
diameter |
φ120-φ170mm |
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aperture |
φ54mm |
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Maximum width |
100mm |
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Spindle drive power |
4.0kw |
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Hydraulic transmission power |
2.2kw |
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Physical size |
1450×1300×1300mm |
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Machine weight |
1100±50kg |
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FAQ
Q: How to transfer and operate the wire rollers of a Anchor Bolt Thread Rolling Machine?
A: 1. Improve the switching operation status. You can choose between active rolling, pedal rolling, and manual modes.
Active Repeat Mode: Start the turbine generator, switch the switch to active mode, and differentiate the active rolling time and pre-stop time according to hydraulic demand. When the slide moves under the hydraulic pressure controlled by the substitute, the slide stops moving under the control of the pre-stop time repeater.
Foot Pedal Repeat Mode: Insert the pedal wire joint. It usually stops the operation with the substitute. Step on the pedal, and the slide moves under hydraulic pressure. After the operation starts, it starts working again and reverses under hydraulic pressure.
2. When installing the wire roller, wipe the connecting wheel rod. First, remove the wheel rod support seat, install the wire roller on the wheel rod, and rotate the wire roller to the required axial position by rotating the sealing ring. Adjust the two roller end faces to the first level, and engage the wire roller and support seat bearings with the sealing ring to prevent the wire roller from moving.
3. The support seat should be located at the core of the part. As the diameter of the rolled part changes, the position of the support seat also needs to be changed. The mobilization method involves grasping the two movable nuts, moving the support base to the desired position, and then tightening the nuts.
4. The support block is located under the support base, with its top welded to a hard alloy. The support block is gripped tightly, and the nuts are tightened. The thread rolling machine supports the bottom of the support block, increasing and decreasing the position of the pads as they move up and down. Then, the nuts are tightened. The support block plays a major role in moving up and down.
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