Grinding spindle DYFJM-200(120)29/15-F

belt-drivenISO

Product overview
The DYFJM-200 is the largest belt-driven cylindrical grinding spindle in its series. It has an installation outside diameter of Ø200 mm, a journal diameter of Ø120 mm and a 2,900 rpm maximum speed, suitable for cylindrical grinding machines that require a larger bearing section and stable external grinding performance.

Basic specifications
Installation diameter: Ø200 mm
Maximum speed: 2900 rpm

Technical data
Installation outside diameter (mm): Ø200
Journal diameter (mm): Ø120
Drive oil type: ISO VG2
Oil supply pressure (MPa): 2.0-2.5
Axial static stiffness (N/μm): ≥300
Radial static stiffness (N/μm): ≥280
Front end radial runout (mm): ≤0.001
Axial end movement (mm): ≤0.001
Rotation precision (mm): ≤0.0003
Drive type: Belt drive
Direction of rotation: Clockwise
Rated speed (rpm): 1900
Maximum speed (rpm): 2900
Application area: For cylindrical grinding machines
Weight (kg): 220 ±5

Applications
Designed for external cylindrical grinding operations where increased bearing section, high stiffness and rotation precision are required.

Features / technical specifications

• Installation outside diameter: Ø200 mm
• Journal diameter: Ø120 mm
• Drive oil type: ISO VG2
• Oil supply pressure: 2.0-2.5 MPa
• Axial static stiffness: ≥300 N/μm
• Radial static stiffness: ≥280 N/μm
• Front end radial runout: ≤0.001 mm
• Axial end movement: ≤0.001 mm
• Rotation precision: ≤0.0003 mm
• Drive type: Belt drive
• Direction of rotation: Clockwise
• Rated speed: 1900 rpm
• Maximum speed: 2900 rpm
• Application: Cylindrical grinding machines
• Weight: 220 ±5 kg