Case Study on the Machining of High-Speed Rail Bearing Retainers


Case Study on the Machining of High-Speed Rail Bearing Retainers
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  • Case Study on the Machining of High-Speed Rail Bearing Retainers

Case Details

I. The finished products meet the customer’s quality requirements.

II. The production rhythm basically meets the customer-specified timeline.

III. Compared with outsourced processing costs, the per-unit processing cost has decreased by approximately 135%.

 

Product Name: High-Speed Rail Bearing Retainer

Material: 40GrNiMoA Hardness: 32–35 HRC

Machine Tool: FEELER Vertical Machining Center VM-1000AT

Client: A Certain High-Speed Rail Bearing Co., Ltd.

 

Processing requirements:

11

 

Processing takt time:

11

 

Tool Parameter Details:

T1: Jinlu D938 series tungsten carbide drill bit, φ9.7 mm, drilling operation; spindle speed: 3000 r/min; feed rate: 350 mm/min.

T2: Jinlu UP210 series tungsten carbide end mill, φ1.6, plunge milling; spindle speed: 6,000 r/min; feed rate: 30 mm/min

T3: Jinlu D938 series tungsten carbide drill bit, φ1.6, for drilling; spindle speed: 6000 r/min; feed rate: 60 mm/min.

T4: Jinlu UPR210 series tungsten carbide rough milling cutter, φ6, rough milling; spindle speed: 6,000 r/min; feed rate: 700 mm/min.

T5: Jinlu UP210 series tungsten carbide end mill, φ3, for finish milling; spindle speed: 7,000 r/min; feed rate: 150 mm/min.

T6: YESTOOLS tungsten carbide end mill, φ1.5, for finish milling; spindle speed: 7,000 rpm; feed rate: 150 mm/min.

T7: YESTOOLS Korean positive/negative chamfering tool, chamfering operation; spindle speed: 6,000 r/min; feed rate: 700 mm/min.

End-to-end solution design and tooling configuration.

Summary:

I. The finished products meet the customer’s quality requirements.

II. The production rhythm basically meets the customer-specified timeline.

III. Compared with outsourced processing costs, the per-unit processing cost has decreased by approximately 135%.

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