Function: to bend conical or polygon light pole 10 m long or street
Technical requirments:
1. all unmarked chamfer edge are 1*45 degree
2. the straightness tolerance of datum plane A in lengthwise direction is 0.035mm
3. 10 pcs will be produced as one set. Dimensions 100,10,50 R3 should be in consistent, tolerance is 0.03mmm
4. Heat treatment: quenching 45-50 HRC