Precision Granite Surface Plate
Superior Natural Granite Performance
ZHHIMG® plates are produced from selected high-density black granite (≈3100 kg/m³), offering:
• Outstanding dimensional stability – minimal deformation over time
• Low thermal expansion coefficient – reliable measurements across temperature variations
• Excellent vibration absorption – improves measurement repeatability
• Corrosion and rust resistance – unlike cast iron inspection tables
• Non-magnetic and electrically insulating – safe for precision instruments
Unlike marble plates used by low-cost suppliers, true granite ensures structural integrity and sustained metrology accuracy.
Ultra-Precision Flatness
Each surface plate is precision-lapped using advanced grinding equipment and verified through certified metrology procedures. Flatness grades are available according to international standards, making the plate suitable for calibration laboratories and high-precision manufacturing.
Wear-Resistant Surface
The dense crystalline structure of granite provides excellent scratch resistance and maintains surface integrity even under frequent instrument movement.
|
Model |
Details |
Model |
Details |
|
Size |
Custom |
Application |
CNC, Laser, CMM... |
|
Condition |
New |
After-sales Service |
Online supports, Onsite supports |
|
Origin |
Jinan City |
Material |
Black Granite |
|
Color |
Black / Grade 1 |
Brand |
ZHHIMG |
|
Precision |
0.001mm |
Weight |
≈3.05g/cm3 |
|
Standard |
DIN/ GB/ JIS... |
Warranty |
1year |
|
Packing |
Export Plywood CASE |
After Warranty Service |
Video technical support, Online support, Spare parts, Field mai |
|
Payment |
T/T, L/C... |
Certificates |
Inspection Reports/ Quality Certificate |
|
Keyword |
Granite Machine Base; Granite Mechanical Components; Granite Machine Parts; Precision Granite |
Certification |
CE, GS, ISO, SGS, TUV... |
|
Delivery |
EXW; FOB; CIF; CFR; DDU; CPT... |
Drawings’ format |
CAD; STEP; PDF... |
Precision granite surface plates serve as the primary reference datum in inspection and manufacturing processes:
Dimensional Metrology
• Coordinate Measuring Machine (CMM) verification
• Height gauge measurement
• Dial indicator inspection
• Precision part tolerance validation
Precision Assembly
• Assembly of linear motion systems
• Calibration of guideways and ball screws
• Laser equipment alignment
• Semiconductor equipment sub-assembly
Industrial Quality Control
• Tooling inspection
• Jig and fixture calibration
• Aerospace component measurement
• Automotive precision part verification
Laboratory & Research Institutions
• Metrology laboratories
• University research centers
• National standards institutes
Wherever flatness, stability, and reliability are essential, a granite surface plate becomes the trusted benchmark.
We use various techniques during this process:
● Optical measurements with autocollimators
● Laser interferometers and laser trackers
● Electronic inclination levels (precision spirit levels)
1. Documents together with products: Inspection reports + Calibration reports(measuring devices) + Quality Certificate + Invoice + Packing List + Contract + Bill of Lading(or AWB).
2. Special Export Plywood Case: Export fumigation-free wooden box.
3. Delivery:
|
Ship |
Qingdao port |
Shenzhen port |
TianJin port |
Shanghai port |
... |
|
Train |
XiAn Station |
Zhengzhou Station |
Qingdao |
... |
|
|
Air |
Qingdao Airport |
Beijing Airport |
Shanghai Airport |
Guangzhou |
... |
|
Express |
DHL |
TNT |
Fedex |
UPS |
... |
Proper maintenance ensures decades of reliable service:
Daily Use
• Clean surface with lint-free cloth before measurement
• Avoid placing rough or sharp objects directly on the plate
• Use protective pads for heavy components
Periodic Care
• Clean with mild neutral cleaner; avoid acidic solutions
• Verify level condition regularly using precision levels
• Cover plate when not in use to prevent dust accumulation
Calibration
• Recommended periodic re-calibration depending on usage frequency
• Avoid strong impacts that may affect flatness accuracy
Granite plates require significantly less maintenance than metal inspection tables, reducing lifetime operating costs.
QUALITY CONTROL
If you can’t measure something, you can’t understand it!
If you can’t understand it.you cant control it!
If you can’t control it, you can’t improve it!
More information please click here: ZHONGHUI QC
ZhongHui IM, your partner of metrology, help you succeed easily.
Our Certificates & Patents:
ISO 9001, ISO45001, ISO14001, CE, AAA Integrity Certificate， AAA-level enterprise credit certificate…
Certificates and Patents are an expression of a company’s strength. It’s society’s recognition of the company.
More certificates please click here: Innovation & Technologies – ZHONGHUI INTELLIGENT MANUFACTURING (JINAN) GROUP CO., LTD (zhhimg.com)
