Cheapest Factory Granite Straight Ruler With 4 Precision Surfaces – Custom Ceramic air floating ruler – ZHONGHUI

●  Measurement of flatness after precision polishing molds, etc.

●  Measurement of working accuracy of machining centers and surface grinding machines

●  Measurement of flatness of precision surface plates

●  Measurement of planar shape of lapping machines, etc.

We can provide sizes that satisfy customer requirements. Feel free to contact us with your size requirements including desired delivery time, etc.

●  Can measure straightness to within 3 μm or less, which is difficult to do with a 3D measuring device.

●  Straightness precision of 2 μm or less per 2400 mm stroke is achieved.

●  A portable type and a stationary type are available.

●  Can measure up to 3500 mm maximum.

●  Reproducibility within 0.2 μm can be achieved.

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:

1. We will offer technical supports for assembly, adjustment, maintain.

2. Offering the manufacturing &inspection videos from selecting material to delivery, and customers can control and know every detail at anytime anywhere.