1. What are the main contents of GB11334-89 "Cone Tolerance"? A: GB11334-89 is the first national standard issued in China. Before this, the standard JB1—59 “taper tolerance†was adopted. The national standard mainly specifies 13 terms and definitions such as conical tolerance. The project of conical tolerance and the given method, the determination of the conical tolerance value, the maximum conical angle error that can be limited by the conical diameter tolerance (appendix) and the annotation of the conical diameter tolerance (Appendix) and other content. The national standard is equivalently adopted by the international standard ISO1947-1973.
Laser cutting hollow-out, Cutting, Welding, Hand Polishing
Pattern
Customized Design available
Application
Decorative Living Room, Hotel, Bar, etc. Indoor and outdoor public space backdrop Elevator cabin, handrail,living room, background
wall, ceiling, Kitchen equipment Specially for bar,club,hotel,bath center,villa,shopping mall.
Specifications (1)Easy to install
(2)Up and down can add color light will improve the performance (3)Good whiteness,transparency, refractivity and hardness (4)No pollution or radiation to the environment (5)Standard: High-quality;