G618 Saddle Type Surface Grinding Machine

G618 Saddle Type Surface Grinding Machine: table working area 450×150 mm, longitudinal travel 475 mm, cross travel 160 mm. Request a quote.

Table working area450×150 mm
Longitudinal travel475 mm
Cross travel160 mm
Grinding wheelØ180 mm×6-18ר31.75 mm
  • Quoted to your quantity
  • Documentation on request
  • International delivery

Product Overview

The G618 is a saddle-type surface grinding machine for precision flat grinding. The wheelhead moves vertically on the column while the saddle and table carry the workpiece, a proven layout for toolrooms and production shops.

G618 at a glance

Table working area 450×150 mm, longitudinal travel 475 mm, cross travel 160 mm, grinding wheel Ø180 mm×6-18ר31.75 mm and spindle motor 1.1KW.

Quality components

Key components come from established suppliers: HORINSHENG (spindle); XINSHENG (spindle motor); NSK (spindle bearings); Turcite-B (anti-friction material); SHILIN (contactor); SIMPO (lead screw); WEIKE (permanent magnet chuck).

Precision flat grinding

A heavy cast-iron base, hand-scraped guideways and a high-precision spindle deliver flat, parallel surfaces with a fine finish. Hydraulic table movement and automatic cross feed make long grinding jobs easier for the operator.

Supplied ready to grind

Machines are typically delivered with a grinding wheel and flange, wheel balancing equipment, a diamond dresser and an electromagnetic chuck, so you can start production quickly.

Frequently asked questions

What are the main specifications of the G618?

Table working area 450×150 mm, longitudinal travel 475 mm, cross travel 160 mm, grinding wheel Ø180 mm×6-18ר31.75 mm and spindle motor 1.1KW. The full data is in the specification table on this page.

What is supplied with the G618?

Standard accessories include grinding wheel with flange, diamond dresser, leveling pads and anchor bolts, tool wrenches, toolbox and flush / vacuum cleaner.

How do I get a quotation for the G618?

Send us your part drawing, material, tolerances, batch size and delivery address through the quote form. We reply with a configuration, price and lead time for delivery to your site in Europe.

Interested in the G618? Send your drawing and requirements and we will reply with a configuration and quotation. Request a quote. See all saddle-type surface grinders.

Technical Specifications

Table working area450×150 mm
Longitudinal travel475 mm
Cross travel160 mm
Grinding wheelØ180 mm×6-18ר31.75 mm
Machine typeSaddle-type surface grinder

G618 – technical specifications

SpecificationUnitG618
Capacity
Table Working Area450×150 mm
Max. Longitudinal Travel475 mm
Max. Cross Travel160 mm
Max. Distance from Table Surface to Spindle Center400 mm
Max. Table Load Capacity120 kg
Worktable
Table T-slot14 mm×3
Table Speed/
Cross Feed Handwheel (per grad)0.02 mm
Automatic Cross Feed/
Rapid Cross Movement (50HZ)mm/min/
Grinding Wheel
Wheel SizeØ180 mm×6-18ר31.75 mm
Spindle Speed (50HZ)3000 rpm
Vertical Structure
Vertical Feed Handwheel (per grad)0.005 mm
Automatic feed rateNone
Rapid Vertical Travelmm/minNone
Motors
Spindle Motor1.1KW
Vertical Feed Motor/
Hydraulic Motor0.75KW
Coolant Pump Motor0.125KW
Cross Feed Motor/
Machine Dimension
Machine Height1980 mm
Floor Space Requirement1400 mm×1150 mm
Net Weight720 kg
Gross Weight850 kg

Additional technical parameters

ParameterValue
Front/Back Handwheel Feed per Revolution5 mm
Vertical Handwheel Feed per Revolution1 mm

Key components and brands

ComponentBrandCountry / Region
SpindleHORINSHENGChina / Taiwan
Spindle MotorXINSHENGChina / Taiwan
Spindle BearingsNSKJapan
Anti-Friction MaterialTurcite-BUSA
ContactorSHILINChina / Taiwan
CastingsIn-houseZhejiang
Lead ScrewSIMPOChina / Taiwan
Permanent Magnet ChuckWEIKEZhejiang
Dual-Axis Digital DisplayXINHEGuangdong

Standard accessories

ItemQuantity
Grinding Wheel with Flange1 set
Diamond Dresser1 set
Leveling Pads and Anchor Bolts1 set
Tool Wrenches1 set
Toolbox1 pc
Flush / Vacuum Cleaner1 pc

Supplied documents

DocumentQuantity
Machine Operation Manual1 copy
Electrical Circuit Diagram1 copy
Machine Accuracy Inspection Certificate1 copy

Accuracy and acceptance standards

Inspection itemPermissible tolerance
1. Straightness of Table Travel – Left/Right Direction≤1000 mm: 0.02/1000; 1000–2000 mm: 0.035/1000
1. Straightness of Table Travel – Front/Back Direction≤1000 mm: 0.02/1000; 1000–2000 mm: 0.02/1000
2. Straightness of Table Motion – Left/Right Direction (In Vertical Plane)≤1000 mm: 0.02/1000; 1000–2000 mm: 0.02/1000
2. Straightness of Table Motion – Front/Back Direction (In Vertical Plane)≤1000 mm: 0.02/1000; 1000–2000 mm: 0.02/1000
2. Straightness of Table Motion – Left/Right Direction (In Horizontal Plane)0.01/1000
3. Parallelism of Table Left/Right Motion to Table Surface0.01/1000
4. Parallelism of Table or Wheelhead Front/Back Motion to Table Surface0.01/300
5. Parallelism Between Table Left/Right Travel and Side of Center T-slot0.015/1000
8. Axial Play of Wheel Spindle0.005
9. Parallelism Between Wheel Spindle Centerline and Table Surface0.02/300
10. Perpendicularity Between Table Left/Right Motion and Spindle Centerline0.02/300
11. Perpendicularity Between Vertical Movement of Wheelhead and Front/Back Table Surface0.01/100
Parallelism of Machined Surface to Reference Surface: 500 mm length ≤ 0.005 mm
Surface Roughness: ≤ Ra 0.25 μm

Specifications may change. The final configuration is confirmed in our quotation.

Applications

  • Tool and die making
  • Mould plates and inserts
  • Precision flat parts
  • Maintenance and toolroom work

Features

  • Saddle-type construction on a rigid cast base
  • Hydraulic longitudinal table movement
  • Automatic cross feed
  • Precision wheel spindle

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