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Description:
Tungsten carbide wire guide nozzles(motor coil winding nozzles)used in coil winding machines to guide the wire to wind in the bobbin, pins and etc. For the stators and rotors in Series, cooling fans, micro-motor and the motor industries.

Features:
1. High Wear Resistance
This is assured by the choice of materials for wear elements possessing a minimum hardness in excess of Vickers 1, 000 (HRC 70).

2. Scratch-Proofing
Eliminate wire insulation film damage, low friction resistance, stable wire tension. The wire-guiding surfaces are mirror finished by diamond lapping to a surface roughness of 2 -4 micro inches Ra or better, material permit.
3. Straightness and Stiffness
Straightness and Stiffness are defined by the wire exit being concentric and inflexible with respect to the nozzle locating? . In plain terms, the wire should exit from the nozzle concentric to the locating? To within 0.02 mm, with or without load. A geometric characteristic presentation is shown at upper left. Concentricity to within 0.01mm.

4. Precise Exit Radii
Because the coil winding nozzle's Exit Radii governs the angle of the wire exit from one coil to the next, it should be monitored to + / - 0.025 mm. This is done by digital measurement, shown at upper right.

Specification:
Measurements:
Customize available by requested, outside diameter is governed by nozzle wall thickness. Confirm your nozzles measurements according to your winding machine and coil products.