Precision Ground Ball Screws

12 month ago

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Suzhou Industrial Park Hojama Technology Co., Ltd

2 year

Product details

G3208-4——High-precision 32mm diameter ball screw system——Hojama miniature ball screw kit

As an efficient and precise mechanical transmission device, the ball screw converts rotational motion into linear motion through the rolling of balls in the thread raceways and realizes the transmission of force. Its mechanical structure consists of components such as the screw shaft, balls, thread raceways, and nut. Thanks to its working principle and mechanical structure, the ball screw is widely used in various fields, including machine tools and automation equipment.

Ground Ball Screws and Cold Rolled Ball Screws:

Ball screws are categorized into two types: ground ball screws and rolled ball screws. For ground ball screws, the raceways are first machined into shape using a lathe tool, and then ground to the required dimensions and precision by a grinding machine. In contrast, cold-rolled ball screws are formed by extrusion during the cold rolling process, with both ends directly processed to complete the manufacturing.

1. Cold-Rolled Ball Screws

The key challenge lies in the large allowance at the bearing seat, coupled with high hardness after heat treatment. Traditional processes typically involve annealing first, followed by lathe machining, or adopting a grinding process.

2. Precision Ground Ball Screws

The main hurdle is thread cutting. After heat treatment, ground ball screws have a hardness of HRC 60-65. Conventionally, threads are formed by grinding, but this method suffers from low efficiency and a high rejection rate, which affects overall production progress.

Suzhou Industrial Park Hojama Technology Co., Ltd., hereinafter referred to as Hojama, was established in March 2015 and is located in Suzhou Industrial Park. The company is primarily engaged in the research and development, production, and sales of precision transmission components. Its main product offerings encompass linear guideways, ball screws, and linear modules, with dedicated product series such as the HG series for linear guideways, the GS series for ball screws, and the LM series for linear modules. In addition to supplying the aforementioned core components, Hojama also provides automation solutions and related supporting services, serving industries including automation, machinery, electronics, and medical sectors. The company adheres to the principles of prioritizing quality and responsive support, and is committed to delivering high-quality products and efficient services to its customers.

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Suzhou Industrial Park Hojama Technology Co., Ltd

Audited supplier

2 year

Main Product: Ball Screw, Miniature Ball Screw, Bi-directional Ball Screw, Lead Screw , Linear Guide, Rolled Ball Screw

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