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TH-SKC50 Horizontal CNC Special Polishing Machine for Thread Rolling Dies

The core of this machine tool is designed for high-precision radial polishing of thread rolling wheels, capable of processing modules 1-8mm, with a maximum outer diameter of 500mm and a width of ≤200mm. The surface roughness can reach Ra0.4-0.8μm, meeting the precision requirements for high-strength threading tools.

The core of this machine tool is designed for high-precision radial polishing of thread rolling wheels, capable of processing modules 1-8mm, with a maximum outer diameter of 500mm and a width of ≤200mm. The surface roughness can reach Ra0.4-0.8μm, meeting the precision requirements for high-strength threading tools. It has a strong material adaptability, supporting polishing of thread rolling wheel materials such as high-speed steel (HSS) and cemented carbide (WC), and is compatible with various tooth shapes such as straight and helical. It adapts to standard thread rolling wheel models in industries such as automotive and construction machinery. The machine allows for efficient batch processing, utilizing a horizontal layout and a CNC feeding system, completing the full tooth surface processing in a single clamping, with processing efficiency improved by 3-5 times compared to traditional manual polishing, making it suitable for small to medium batch standardized production.


Processing CapacityMaximum swing diameter over bed (mm)500
Maximum swing diameter over carriage (mm)∅200
Maximum X-axis travel (mm)300
Maximum Z-axis travel (mm)550
Maximum distance to spindle end face (mm)600
X-axis rapid traverse (m/min)18
Z-axis rapid traverse (m/min)20
Main shaft specificationsSpindle200 spindle unit
Spindle speed (r/min)3000 (unit)
Spindle noseA2-6(unit)
Aperture diameter of the spindle (mm)66
Screw specificationsscrew modelX-axis3210
Z-axis4010
screw head diameter (mm)X-axis22
Z-axis22
Screw bearing modelX-axis7205/7204
Z-axis7206/7205
Screw brandWanrun (C3 level)
Guide rail typeLinear Guide Rail ModelX-axisHGH35
Z-axisHGW35
Linear Guide Rail BrandGerman FZS (P-grade)
Machine Tool StructureMotor Stop Specification (mm)X-axis∅110
Z-axis∅110
Tool Holder Type80 Hydraulic Servo Turret
Tool Square Size (mm)20
Bed Form Slant BedInclined bed body
Tailstock Power Hydraulic TopHydraulic tight top
Tailstock Guide Rail Hard RailHard rail
Total Machine Weight (kg)3600
Appearance Size (Length x Width x Height) (mm)

2290X1510X1700

(height does not include alarm light and shim)