Model: Taiwan Bo God glass engraving and milling machine automatic knife BTF2 repeat positioning accuracy: 0.5um contact surface diameter: 10 designated contact speed: 50-200mm / min contact surface material: tungsten steel grinding disk level, full specifications can be reinforced titanium Pre-trip trigger distance: close to zero contact rating: DV5V-24V, 10mA contact life: 3 million times the total travel: 5mm contact force: 1.5N waterproof rating: SGS certified IP68 rating, can pressure at the depth of 1m length time work. Signal line specifications: 4-core, oil standard bus length: long signal lines 3m, 2.5m protective tube used: engraving and milling machine, glass engraving and milling machine, small engraving and milling / engraving machine, high-ray machines especially stainless steel version BTF2 on the knife In the work environment, strong acid, acid corrosion, long service life.