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Grinding machines and tool-grinders

Grinding and tool sharpening machines include surface, cylindrical, internal, centerless, and special-purpose models for high-precision finishing of metal parts with exceptional surface quality. They are used in mechanical engineering, toolmaking, energy, and maintenance facilities to grind shafts, rings, plates, cutting tools, and precision components.

Subcategories

Total: 76 products
Universal Cylindrical Grinding Machine GD-3080A
Caiman A

Universal Cylindrical Grinding Machine GD-3080A

Control Manual
Grinding external
Diameter of cylindrical grinding 2mm — 80mm
Price on Request
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CNC Spring-end grinding machine WNM9-2
WNJ WNM

CNC Spring-end grinding machine WNM9-2

Control CNC
Spring diameter 10mm — 60mm
Wire diameter 1mm — 9mm
Spring lenght 10mm — 400mm
Number of trays 2pcs / 580mm
Price on Request
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CNC Spring-end grinding machine WNM9
WNJ WNM

CNC Spring-end grinding machine WNM9

Control CNC
Spring diameter 10mm — 100mm
Wire diameter 1mm — 9mm
Spring lenght 10mm — 400mm
Price on Request
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Universal Cylindrical Grinding Machine GD-8020B
Caiman B

Universal Cylindrical Grinding Machine GD-8020B

Control Manual
Grinding length 750mm / 125mm
Diameter of cylindrical grinding 8mm — 200mm
Price on Request
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CNC Spring-end grinding machine WNM2.5
WNJ WNM

CNC Spring-end grinding machine WNM2.5

Control CNC
Spring diameter 5mm — 40mm
Wire diameter 0.3mm — 2.5mm
Spring lenght 8mm — 80mm
Price on Request
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Spring-end grinding machine M02-4
WNJ M02

Spring-end grinding machine M02-4

Control Manual
Spring diameter 6mm — 40mm
Wire diameter 0.8mm — 4mm
Spring lenght 10mm — 120mm
Price on Request
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Universal Cylindrical Grinding Machine GD-3080B
Caiman B

Universal Cylindrical Grinding Machine GD-3080B

Control Manual
Grinding external + Inner
Diameter of cylindrical grinding 2mm — 80mm
Diameter of internal grinding 12mm — 60mm
Price on Request
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CNC Spring-end grinding machine SGM6
SMC

CNC Spring-end grinding machine SGM6

Spring diameter 5mm — 60mm
Wire diameter 0.8mm — 6mm
Spring lenght 10mm — 180mm
Price on Request
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Centerless Grinding Machine GD-12 CNC
QD GD

Centerless Grinding Machine GD-12 CNC

Control CNC
Max. workpiece diameter 40mm
Max. size of grinding wheel 305mm x 150mm x 120mm
Price on Request
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Surface Grinding Machine SG-105PC
GUBEN PC

Surface Grinding Machine SG-105PC

Control Semi-automatic
Working table size 1040mm x 500mm
Distance from spindle center line to surface of the table 630mm
Max. load 1000kg
Price on Request
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Grinding and sharpening machines deliver micron-level accuracy and surface finishes as fine as Ra 0.2–0.8 µm—critical for components requiring tight tolerances and minimal runout. Modern units from SMTCL, DMTG, WEIDA, and KDE feature CNC control, automatic wheel wear compensation, and integration capabilities for automated production cells.

Surface grinders are ideal for flat reference surfaces, cylindrical grinders for shafts and spindles, internal grinders for bores and bushings, and centerless grinders for high-volume production of pins, rollers, and rods without centering. Specialized tool grinders restore drills, end mills, inserts, and lathe tools—reducing tooling costs and downtime.

KNAVI GROUP supplies grinding equipment directly from manufacturers. All machines come with full English documentation, up to 2 years of warranty, operator training, and optional on-site commissioning worldwide.