The copper wire stripping machine has multiple stripping channels for different wire sizes, you only need to put the wires in o a suitable channel, the upper blade and bottom blade will slash open the outside insulation respectively, then the inner copper can be taken out easily.
Source Link: https://www.kingsing.com/product/125.html
Available Cable Size: Φ1.5-45mm
Power Rating: 1500W
Power Supply: 110V 220V 380V
Daily Output: 100-300Kg
Measurement: 540 × 340 × 480mm
Net Weight: 68Kg