Elevator Cross Flow Fan
Elevator Ventilator
Elevator Ventilator Fan
Elevator Ventilation Fan
Elevator Ventilating Fan
Elevator Ventilation System
Elevator Axial Flow Fan
Elevator Axial Fan
Elevator Aerofoil Fan
OTIS Elevator Ventilating
Fan, Thyssen Elevator Ventilating Fan, KONE Elevator Ventilating
Fan, Giant KONE Elevator Ventilating Fan, ThyssenKrupp Elevator Ventilating Fan,
Schindler Elevator Ventilating Fan, XJ Schindler Elevator Ventilating Fan, Xizi
OTIS Elevator Ventilating Fan, Mitsubishi Elevator Ventilating Fan, Shanghai
Mitsubishi Elevator Ventilating Fan, Fujitec Elevator Ventilating Fan, Hitachi Elevator
Ventilating Fan, Toshiba Elevator Ventilating Fan, Hyundai Elevator Ventilating
Fan, LG Elevator Ventilating Fan, Sigma Elevator Ventilating Fan, Express Elevator
Ventilating Fan, GUANGRI Elevator Ventilating Fan, FUJI Elevator Ventilating
Fan, BLT Elevator Ventilating Fan, CANNY Elevator Ventilating Fan, SJEC Elevator
Ventilating Fan, KOYO Elevator Ventilating Fan, IFE Elevator Ventilating Fan
Elevator Ventilating Fan, Elevator Cross Flow Fan, Elevator Ventilator, Elevator Ventilation Fan, Elevator Axial Flow Fan, Elevator Axial Fan CEP Elevator Products ( China ) Co., Ltd. , https://www.zjelevatorcontrolsystem.com
Simple angle boring
As shown in Fig. 1, the boring and back boring drills shown in Fig. 2 are composed of two parts: a shank and a blade. The shank is made in one piece, the material is 40Cr, and the hardness is HRC35~40. The blade material is made of W18Cr4V and the hardness is HRC63~66. The angle is determined according to the requirements of the product drawings. The boring and boring drill blades are exactly the same. When installing, insert the blade into the long hole of the arbor so that the groove on the blade is caught on the flat shaft part of the shank to transmit the cutting torque.