High-end Custom Precision Machining of Grooved Threaded Bushing Parts by CNC Turning

Ganyuan Factory has focused on manufacturing grooved threaded bushings for over twenty years. Relying on high-precision CNC equipment and professional testing technology, we strictly control the accuracy of internal and external threads, groove shape and position, and locking fit to ensure convenient installation, secure locking, and long-term durability in shaft connections.

Product description

Precision Manufacturing Technology and Core Advantages of Grooved Threaded Bushings

As a key functional component in mechanical connection and positioning systems, the manufacturing precision of grooved threaded bushings directly determines locking reliability, adjustment flexibility, and equipment operational stability. In critical fields such as precision machine tool spindles, industrial robot joints, and optical instrument adjustment mechanisms, grooved threaded bushings, with their unique elastic clamping structure, excellent thread fit accuracy, and reliable axial positioning performance, have become indispensable core components in high-precision mechanical systems.

Core Technical Characteristics of CNC Machining for Grooved Threaded Bushings

1. Composite Machining Technology of Precision Threads and Grooved Structures
Grooved threaded bushings integrate internal threads, external threads, and axial grooves, achieving gapless locking between the shaft and bushing through elastic deformation. Five-axis CNC machining centers, through a milling-turning composite process, completely machine the complex structure from the digital model in a single setup, controlling the thread pitch diameter tolerance within ISO 4H/4g accuracy grade and the cumulative pitch error less than 0.008mm/25mm.

2. Deformation Control and Elastic Recovery Technology for Thin-Walled Structures
Grooved threaded bushings are often designed with thin-walled structures of 0.8-2.0mm, requiring elastic recovery during repeated tightening. CNC machining employs dynamic stiffness compensation technology, micro-cutting strategies, and symmetrical removal processes, combined with specialized internal support fixtures, to stably machine precision thin-walled structures with uniform wall thickness and no residual stress.

3. Process Adaptation and Surface Treatment for Multi-Material Systems
For different material properties such as alloy steel, stainless steel, and titanium alloys, the CNC system automatically matches the optimal cutting parameters through a dedicated bushing process database. High-performance coated tools and high-pressure cooling technology are used to complete thread turning, grooving milling, and end-face finishing in a single setup, achieving a thread surface quality of Ra 0.8 or less.

Core Advantages of Precision Manufacturing of Grooved Threaded Bushings

1. Superior Tightening Accuracy and Axial Positioning Reliability
The precision thread fit and uniform grooved structure ensured by CNC machining enable zero-backlash clamping of the bushing during tightening, achieving an axial positioning accuracy of ±0.005mm. Actual test data shows that the locking torque dispersion of the precision-machined slotted thread bushing is less than 3%, and the axial displacement after repeated locking is less than 0.002mm, making it particularly suitable for high-precision machine tool spindles, optical adjustment mechanisms, and precision measuring instruments.

2. Ultimate Elastic Recovery and Long Service Life

By optimizing the matching design of the slot width, depth, and thin-walled structure, combined with the residual stress eliminated by precision machining, the bushing maintains stable elastic characteristics during repeated locking. Actual test data shows that after 100,000 locking-unlocking cycles, the clamping force of the bushing decreases by less than 8%, far superior to the 20% decrease rate of traditional processes, ensuring consistent positioning accuracy over long-term use.

The CNC precision manufacturing of the slotted thread bushing, through the composite machining of precision threads and slotted structures, precise control of thin-walled elastic deformation, and in-depth optimization of multi-material systems, successfully transforms advanced locking design concepts into highly reliable mechanical components. This technology not only reflects the modern precision manufacturing's dual pursuit of locking accuracy and elastic life, but also provides key core component support for the operation of high-end equipment, driving mechanical locking technology to continuously advance towards higher precision, stronger reliability and longer life.

Company Profile

         We are a manufacturer integrating industry and trade. We have more than 20 years of experience in production technology. We are located in Dongguan City, Guangdong Province, China. We have advanced high-end professional production and processing technology, and are committed to innovative R&D and production. After years of market tempering and exploration, it has high-quality technical management personnel, experienced designers, R&D personnel and a perfect company management system.

5-axis CNC workshop

         Our factory has a plant area of about 2,000 square meters and masters core processing technologies. It has high-end precision production equipment: CNC lathes, 5-axis CNC, 4-axis CNC, stamping equipment, die-casting equipment, etc.​

Auxiliary production equipment: electroplating, anodizing, hard anodizing and surface treatment. We have complete testing equipment: sophisticated three-dimensional testing, two-dimensional testing, hardness tester, height meter, projector and other conventional testing equipment. If you are interested in our products, please contact me and I will provide the best price support and quality service.

2D inspection equipment

Product Packaging

Packaging Details

1. Commercial packaging: 1pc/plastic bag + color box +carton + pallet;
2. Industrial packaging: (1). plastic tube + carton + pallet; (2). plastic bag + kraft paper + carton + pallet;
3. According to the requirement of customer.

   

FAQ

Q1: Where can I get product & price information?

A1: Send us an inquiry e-mail, we will contact you once we received your mail.

Q2: How long will I get the sample?

A2: Depends on your specific items, within 3-7 days generally.

Q3: What kinds of information do you need for a quote?

A3: Kindly please provide the product drawings in PDF, if provide in STEP or IGS will be better.

Q4: What are the payment terms?

A4: We accept 50% as a payment deposit, when the goods are prepared, we shoot photos or videos for your check, and then you can pay the balance. For small quantities, we accept Paypal, the commission will be added to the order. For big amounts, T/T is preferred.

Q5: How to deliver the goods?

A5: We deliver the products by courier company.

Q6: Are you a trading company or factory?

A6: We are factory direct with 17 experienced engineers and more than 50 employees as well approximate 3,000m2 workshop area.

Q7: What shall we do if we don't have drawings?

A7: Please send your sample to our factory, then we can copy and provide you better solutions. If send us pictures or drafts with dimensions(Length, Height, Width), CAD or 3D file will be made for you.

Q8: Can we get some samples before mass production?

A8: Absolutely yes.

Q9: Will my drawings be safe after sending them to you?

A9: Yes, we will keep them well and won't release them to the third party without your permission.

Q10: Is it possible to know the operation status of my products without visiting your company?

A10: We will offer a detailed production schedule and send weekly reports with digital pictures and videos which show the machining progress.

Q11: If you make poor quality goods, will you refund?

A11: In fact, we won't take risks to produce poor-quality products. Meanwhile, we manufacture good quality products till you are satisfied