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Precision Centerless Grinder with Direct-Connected Drive Motor and Compact Hydraulic System
The Precision Centerless Grinder is a high-accuracy grinding machine designed for centerless cylindrical grinding, small shaft grinding, pin grinding, sleeve grinding, roller grinding, precision round bar grinding, and batch production of cylindrical components. With a direct-connected drive motor, compact hydraulic system layout, stable grinding structure, and efficient space utilization, this machine provides reliable grinding accuracy, smooth operation, and practical performance for precision machining workshops.
The machine adopts a direct-connected drive motor structure, which reduces intermediate transmission links and helps improve adjustment accuracy and rotation accuracy. This design supports stable grinding performance, reduces mechanical transmission loss, and improves overall machining consistency during continuous production.
The hydraulic system fan and oil tank are arranged with full consideration of installation space. This compact layout makes better use of the machine structure and helps improve workshop space utilization. It is especially suitable for factories that require efficient equipment layout, stable hydraulic performance, and practical daily operation.
Key Features
Precision centerless grinder for cylindrical workpiece grinding
Direct-connected drive motor reduces transmission links
Improves adjustment accuracy and rotation accuracy
Supports stable and consistent grinding performance
Compact hydraulic system layout saves installation space
Oil pressure system fan and oil tank make full use of machine space
Suitable for shafts, pins, rollers, sleeves, and round bars
Practical structure for batch production and precision grinding
Helps improve workshop space utilization
Suitable for machinery, automotive, hardware, and precision parts manufacturing
Product Images
Technical Specifications
Item
Parameter
Model
GD-12S
Grinding diameter range
Φ0.5~Φ40mm
Grinding wheel size
Φ305×150×Φ120mm
Adjusting wheel size
Φ205×150×Φ90mm
Grinding wheel speed
1950rpm
Adjusting wheel speed
0~320rpm
Grinding wheel drive motor
7.5HP
Adjusting wheel drive motor
2.0kW servo
Hydraulic pump drive motor
1HP
Cooling pump drive motor
1/8HP
Adjusting wheel feed handwheel
3.5/turn, 0.02mm/scale
Adjusting wheel fine tuning handwheel
0.1/turn, 0.001mm/scale
Table feed handwheel
7.0/turn, 0.10mm/scale
Table trimming handwheel
0.2/turn, 0.001mm/scale
Trim feed handwheel
1.5/turn, 0.01mm/scale
Adjusting wheel tilt angle
+5°~-3°
Adjusting wheel rotation angle
+5°~-1°
Spindle structure
Dynamic pressure
Mechanical dimensions
1800×1400×1450mm
Packing size
2350×1650×1770mm
Mechanical weight
1700kg
Packing weight
1850kg
Frequently Asked Questions
What is the Precision Centerless Grinder used for?
It is mainly used for centerless grinding of cylindrical workpieces such as shafts, pins, rollers, sleeves, guide rods, round bars, and other precision metal parts.
What is the advantage of the direct-connected drive motor?
The direct-connected drive motor reduces transmission links, improves rotation accuracy, reduces mechanical transmission loss, and helps maintain stable grinding performance.
Why is centerless grinding suitable for batch production?
Centerless grinding does not require traditional center clamping for cylindrical workpieces. It supports efficient continuous grinding and stable dimensional consistency for batch production.
What is the benefit of the compact hydraulic system layout?
The compact arrangement of the hydraulic fan and oil tank makes better use of installation space, helping improve workshop layout efficiency and overall machine practicality.
What types of workpieces can this machine process?
It can process shafts, pins, sleeves, rollers, guide rods, precision bars, hardware parts, automotive parts, hydraulic parts, and other cylindrical components.
What industries commonly use this machine?
It is commonly used in machinery manufacturing, automotive parts, bearing components, hydraulic components, hardware processing, mold parts, and precision machining workshops.
What information is needed for quotation?
Please provide workpiece material, diameter, length, required grinding accuracy, surface finish requirement, production quantity, automation requirements, and preferred machine configuration.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Year Established:
2010
Ecer Certification：
Verified Supplier
Queenly Machine established in Fujian, specializing in a wide range of precision CNC machine tools, including high-precision grinding centers, ultra-precision surface grinders, optical milling and grinding centers, flexible polishing machines, various machining centers, CNC cutting tools, power chuc... Queenly Machine established in Fujian, specializing in a wide range of precision CNC machine tools, including high-precision grinding centers, ultra-precision surface grinders, optical milling and grinding centers, flexible polishing machines, various machining centers, CNC cutting tools, power chuc...
