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MK8340 Ultra-high-speed CBN Profile Composite Surface CNC Grinding Machine


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Product Description

Typical processed parts

 

Main features of the machine tool

■ Siemens 840D SL CNC system
■ Can be equipped with a robotic arm

 

Machine tool configuration

■ Uses Siemens (SIEMENS) 840D SL CNC system;
■ Uses camshaft CNC grinding software with independent intellectual property rights from our company;
■ Uses Italian Marposs built-in online grinding wheel dynamic balancing, idle stroke elimination, and anti-collision device;
■ Uses American AROBOTECH automatic tracking center frame;
■ The headstock uses high-precision, high-rigidity static pressure bearings and Siemens torque motors;
■ Can be equipped with a robotic arm for loading and unloading, fully achieving automatic control, suitable for automated production lines.

 

Grinding wheel frame

■ Grinding wheel frame feed
The grinding wheel feed uses cylindrical static pressure guide rails with independent intellectual property rights from our company, and both large and small grinding heads use liquid static dynamic pressure spindle with independent intellectual property rights from our company.


■ Grinding wheel spindle
The machine tool uses a dual grinding head, dual feed system for synchronized grinding, with a large grinding wheel diameter of 400mm, and the maximum spindle speed can reach 5000rpm; the small grinding wheel spindle can install a 125mm grinding wheel, with a maximum speed of 15000rpm, capable of grinding irregular composite surfaces and concave cam profiles.

 

Working accuracy

 

Base circle runout tolerance Cam full lift tolerance Cam adjacent lift tolerance Cam phase angle tolerance Surface roughness
±0.015 mm ±0.025 mm ±0.006 mm/° ±10' Ra≤0.4 μm

 

Main specifications and technical parameters

 

Item Specification Item Specification
Maximum length of machined parts 1000mm Non-circular section contour curve tolerance ±0.025mm
Maximum diameter of machined parts φ400mm Adjacent lift tolerance of non-circular section 0.005mm/°
Maximum weight of machined parts 160kg Grinding diameter range 0.005mm
Maximum eccentricity of non-circular parts 50mm Grinding surface roughness Ra±0.4um
Maximum linear speed of grinding wheel (CBN grinding wheel) 120mm Number of linked axes Six-axis dual linkage
CBN grinding wheel specifications
(grinding outer concave and convex wheels)
φ125xB(≤40)mm Numerical control system SIEMENS 840D SL
Workpiece speed (constant linear speed) 0-300rpm Total machine power 100kw
Base circle runout tolerance 0.015mm Total weight of machine 22000kg
Non-circular section position angle tolerance ±10' Machine dimensions (length x width x height) 6400x2450x2100mm

 

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