Precision Granite Base with Linear Guide Rail
Precision Granite Base with Linear Guide Rail
A precision linear-motion system needs more than a high-quality rail. It needs a stable structural datum beneath the rail.
The ZHHIMG® precision granite base with linear guide rail is designed for machine builders who require controlled guideway alignment, stable mounting geometry, and repeatable positioning performance. The granite structure provides a rigid foundation for linear rails, carriages, encoder systems, linear motors, air bearings, optical modules, wafer stages, and custom automation assemblies.
The pictured component combines a custom-machined granite base with an installed linear guide rail and carriage. Its large working surface includes a dense pattern of mounting interfaces, allowing engineers to install sensors, fixtures, brackets, cable supports, covers, drive systems, and application-specific modules directly onto the granite structure.
This is not a standard catalog part. Each granite linear-motion base can be manufactured to the customer’s drawing, including rail-seat geometry, insert patterns, locating features, pockets, cable channels, mounting bores, support arrangements, and inspection requirements.
A solid, flat, and clean base is essential for linear-guide performance. If the rail mounting surface is uneven, the rail can bend during bolt tightening, reducing motion accuracy and potentially causing premature wear. A precision granite base helps create a controlled mounting condition before the stage, rail, and drive system are assembled.
|
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... |
- • Stable guideway foundation: Precision-finished granite rail seats provide a controlled reference for linear guide rails, air bearings, and motion stages.
- • High-density structural granite: The granite base provides useful mass, vibration damping, corrosion resistance, and stable long-term geometry for stationary machine structures.
- • Integrated mounting flexibility: Dense threaded-insert patterns allow direct installation of guide rails, linear motors, scales, sensors, fixtures, guards, cable supports, and custom modules.
- • Custom geometry for OEM equipment: The base can include stepped faces, pockets, grooves, channels, side interfaces, precision bores, and assembly datums based on the machine design.
- • Reduced assembly stack-up: Rail seats, mounting faces, insert positions, and locating features can be produced from a common granite datum structure, reducing the need for secondary adapter plates.
- • Suitable for demanding environments: Granite is non-magnetic, corrosion-resistant, and appropriate for precision applications in metrology, optics, semiconductor equipment, laser systems, and automation.
- • Inspection-driven manufacturing: Critical geometric features can be inspected for flatness, straightness, parallelism, perpendicularity, and positional accuracy before shipment.
- • Compatible with global motion systems: The granite base can be designed around rail, bearing, motor, and encoder requirements from the customer’s selected supplier.
Integrated grooves, threaded inserts, positioning features, and mounting interfaces can be machined directly into granite structures to reduce assembly interfaces and support controlled equipment alignment.
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 |
... |
What is a precision granite base with linear guide rail used for?
It is used as a stable foundation for linear-motion systems, including guide rails, air bearings, linear motors, encoder scales, optical stages, wafer-handling systems, and measurement platforms.
Can you manufacture the granite base from our drawing?
Yes. ZHHIMG® can manufacture custom granite machine bases from 2D drawings, 3D models, or confirmed technical specifications. Please provide the rail model, travel length, moving load, critical tolerances, insert pattern, mounting interfaces, inspection requirements, quantity, and destination country.
Can you install the linear guide rail before shipment?
Guideway installation can be discussed as part of the project. The customer should specify the rail brand, model, accuracy class, bolt pattern, preload condition, required alignment, and whether the rail will be customer-supplied or sourced as part of the assembly.
How accurate must the granite rail seat be?
The required flatness, straightness, and parallelism should match the guide-rail class and overall machine-accuracy target. A rail mounted on an uneven base can bend when bolts are tightened, which affects motion smoothness and repeatability.
Can the granite base include threaded inserts and dowel holes?
Yes. Threaded inserts provide clamping force, while dowel holes, reamed bores, shoulders, or keys can provide repeatable location. Both should be dimensioned from functional machine datums.
Can granite support linear motors and air bearings?
Yes. Granite can be machined with rail seats, motor pockets, air-bearing faces, scale mounts, cable channels, and insert patterns for integrated precision motion systems. The final structure should be designed around the load, travel, heat source, mounting method, and environmental requirements.
How is the completed granite base inspected?
Inspection may include overall dimensions, primary-face flatness, rail-seat straightness, rail-seat parallelism, perpendicularity, insert position, bore location, thread quality, and visual surface condition. The report format and acceptance criteria should be agreed before production.
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)
