Precision Granite Straight Edge & Parallel
In the world of ultra-precision manufacturing, accuracy isn't just a goal; it's a baseline requirement. Whether you are calibrating a 5-axis CNC machine or setting up a CMM fixture, thermal drift and vibration are your enemies. The ZHHIMG Precision Granite Straight Edge is engineered to be your immutable standard. Crafted from premium Jinan Black Granite, this tool offers a level of dimensional stability that steel simply cannot match. It is not just a measuring tool; it is the foundation of your quality control process, ensuring that every micron counts.
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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... |
- • Unmatched Thermal Stability: Unlike metal rulers that expand with heat, our granite straight edge maintains its geometry even in fluctuating workshop temperatures. This ensures your measurements remain true, shift after shift.
- • Superior Damping Capacity: Granite naturally absorbs vibration 30% better than cast iron. When used as a support parallel during machining or inspection, it isolates your setup from environmental noise, resulting in cleaner data.
- • Non-Magnetic & Corrosion Resistant: Perfect for semiconductor and electronic component inspection where magnetic interference is unacceptable. It also resists acids and alkalis, making it durable in harsh industrial environments.
- • Zero Aging Effect: Stress-relieved naturally over millions of years and further stabilized through our proprietary aging process, guaranteeing that your straight edge won't warp over decades of use.
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 |
... |
Q: How does this compare to a steel straight edge?
A: Granite has a much lower coefficient of thermal expansion and higher damping capacity. It won't rust, burr, or magnetize, offering a longer service life for high-precision tasks.
Q: Can you customize the size with mounting holes?
A: Yes, ZHHIMG specializes in custom solutions. We can drill threaded holes or T-slots to integrate the straight edge into your specific fixture system.
Q: What is the lead time for Grade 00 precision?
A: Standard sizes are often in stock. Custom high-precision orders typically take 15-25 days, depending on the complexity of the lapping process required.
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)
