GMCF36-750 Follow-up CNC Crankshaft Grinding Machine

Category:

36-Series Follow-Along Grinding Machine

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E-mial:369057648@qq.com

Product Description

Typical machined parts

Main features of the machine tool

High-speed grinding with a CBN grinding wheel at 120 m/s

Precision feed system featuring rectangular hydrostatic guideways and linear motors

Self-owned intellectual property follow-up grinding software

Machine tool configuration

· The machine is equipped with the LYNUC CNC system (other brand CNC systems can also be configured upon user request) and features three servo axes: wheelhead feed (X-axis), workpiece spindle rotation (C-axis), and wheelhead longitudinal movement (Z-axis). The X-axis and C-axis are linked for coordinated motion, enabling follow-up grinding of crankshaft connecting rod journals.
· Employing follow-up grinding software with the company’s own proprietary intellectual property rights to achieve high-precision non-circular grinding with follow-up control.
· Adopting a high-precision rolling bearing high-speed electric spindle with the company’s proprietary intellectual property rights, enabling CBN grinding wheels to achieve high-speed grinding at 120 m/s.
· The headstock spindle adopts a high-precision, high-rigidity electric spindle unit, equipped with a high-precision optical grating encoder. Closed-loop control ensures extremely high rotational and positioning accuracy.
· The headstock is equipped with a floating centering chuck for high-precision positioning and clamping, enabling single-setup continuous machining of all connecting rod journals along the entire crankshaft.

· Equipped with a high-precision, high-rigidity hydraulically self-centering center rest to meet the high-precision grinding requirements for crankshafts.
· Adopting a highly efficient, low-energy consumption recirculating filtration system to fully meet the high-speed and high-efficiency grinding requirements of CBN grinding wheels.

Grinding wheel head

· Wheelhead feed
The precision feed system, featuring rectangular hydrostatic guideways and linear motors—both with the company’s proprietary intellectual property—achieves sub-micron-level feed motion with high acceleration performance.
· Grinding wheel spindle
An electric spindle unit with high precision and high rigidity is employed, paired with a high-precision time-grating encoder. Closed-loop control achieves extremely high rotational and positioning accuracy.

Work accuracy

Dimensional error	Roundness	Cylindricity
+0.006 mm	0.002 mm	0.005 mm
Eccentricity error!	Surface roughness (outer circle)	Surface roughness (arc)
+0.008 mm	Roughness 0.3 μm	Roughness 0.63 μm

Main specifications and technical parameters

Item	Specification	Item	Specification
Maximum swing diameter	360mm	Maximum linear speed of CBN grinding wheel	≤120 m/s
Maximum processing length	750mm	Total machine tool power	60KW
Maximum workpiece weight	100Kg	Total weight of machine tool	12000Kg
Maximum eccentricity of workpiece crank	60mm	Machine tool external dimensions (main unit) (L x W x H)	3700x2400x2200mm
Grinding wheel specifications	Ф600xФ40xBmm

Key words:

GMCF36-750 Follow-up CNC Crankshaft Grinding Machine