High-Precision Granite Square Block for Rotation & Alignment Inspection
Not all black stones are created equal. While many suppliers substitute cheaper marble to cut costs, ZHHIMG® insists on authentic Black Granite with a density of approximately 3100kg/m³.
• Superior Physical Stability: Unlike marble or lower-grade granite, our material offers a near-zero coefficient of thermal expansion and exceptional vibration dampening.
• The "Walking Electronic Level": Every surface is hand-lapped by masters with over 30 years of experience, achieving nanometer-level flatness that machine grinding alone cannot reach.
• Certified Authority: As the only industry player holding ISO 9001, 14001, and 45001 simultaneously, our products are traceable to national metrology institutes.
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Model |
Details |
Model |
Details |
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Size |
Custom |
Application |
CNC, Laser, CMM... |
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Condition |
New |
After-sales Service |
Online supports, Onsite supports |
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Origin |
Jinan City |
Material |
Black Granite |
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Color |
Black / Grade 1 |
Brand |
ZHHIMG |
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Precision |
0.001mm |
Weight |
≈3.05g/cm3 |
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Standard |
DIN/ GB/ JIS... |
Warranty |
1year |
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Packing |
Export Plywood CASE |
After Warranty Service |
Video technical support, Online support, Spare parts, Field mai |
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Payment |
T/T, L/C... |
Certificates |
Inspection Reports/ Quality Certificate |
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Keyword |
Granite Machine Base; Granite Mechanical Components; Granite Machine Parts; Precision Granite |
Certification |
CE, GS, ISO, SGS, TUV... |
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Delivery |
EXW; FOB; CIF; CFR; DDU; CPT... |
Drawings’ format |
CAD; STEP; PDF... |
• Multi-Axis Precision: Features precision-bored through-holes designed for spindle rotation checks and multi-angle sensor mounting.
• Exceptional Hardness: Naturally aged over thousands of years, our granite is resistant to acid, corrosion, and magnetism, ensuring it won't "burr" or deform if scratched.
• Customizable Inserts: Equipped with high-quality stainless steel threaded inserts for secure component mounting without compromising the stone's integrity.
• Standard Compliance: Fully compliant with global standards including DIN 876, ASME B89.3.7, and JIS B7513.
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:
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Ship |
Qingdao port |
Shenzhen port |
TianJin port |
Shanghai port |
... |
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Train |
XiAn Station |
Zhengzhou Station |
Qingdao |
... |
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Air |
Qingdao Airport |
Beijing Airport |
Shanghai Airport |
Guangzhou |
... |
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Express |
DHL |
TNT |
Fedex |
UPS |
... |
To preserve the micrometer-level precision of your ZHHIMG® granite tool, follow these professional protocols:
• Cleaning: Use only specialized granite cleaners. Avoid water or household chemicals that may penetrate the pores.
• Loading: Always distribute weight evenly. Though our granite can support massive loads (up to 100 tons for large bases), localized impact should be avoided.
• Environment: For the most accurate readings, use the tool in a temperature-controlled environment (typically 20±0.5°C), mirroring our 10,000m² constant temperature workshops.
• Storage: When not in use, apply a protective cover to prevent dust accumulation and physical nicks.
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)
