Purpose

This position involves inserting coil windings into stators, rotors and armatures.

Input Material

Empty stator cores and rotors, some of which are purchased, and armatures that are built in-house plus insulation, phase paper and other materials, and pre-wound coils.

Essential Functions

Checks stator, rotor or armature for bent laminations, burrs, or slots that are not clear. Review traveler for connection diagram, type of winding, span, inserts and coil grouping. For varnish job, install slot liners and begin inserting bottom of first coil in slot and top into proper slot based on span and continue coil insertion for whole group. Continue with following groups, inserting phase papers between groups. Shape coils with forming fixture using press or mallet and check with template. Tie both ends and attach leads by soldering with solder pot and ladles, hand soldering iron, or, for smaller gauge wires, brazing. Input wires are then labeled, and stator is sent to test. For VPI job (sealed insulation), each coil is taped with non-adhesive insulation and additional sleeves, silicone and moisture blockers are installed. Rotors and armatures follow similar procedures, but slots are on outside. Coil wires on armatures must go to the commutator in proper sequence. On heavy duty motors, these wires are welded to the commutator using TIG. On large wound rotors, support rings attached to core support ends of coils.

On very large stator/frame assemblies, large rings are temporarily installed and rest in a roller assembly which allows the unit to be rotated for coil insertion. For very large rotors, a temporary arbor is supported on each end and that allows the unit to be rotated for coil insertion.

Performs other duties as assigned by the Winding Team Leader.

Proficiency Level:

Level II : Setup - Operation - Maintenance - Has attained moderate level of proficiency and requires occasional supervision. Generally has a minimum of 2 years experience. Can perform most operations that the job requires. Can do routine math required by job - is able to use most measuring instruments, gauges and templates. Performs routine cleaning and maintenance of machines.

Quality/Continuous Improvement/Productivity - Inspects own work - has moderate rejection rate. Uses proven techniques to pass job on to next workstation, but in some instances must sacrifice time to maintain required quality and minimize rework. Participates on Continuous Improvement Task Teams.

Problem Solving - Can work out most of the problems that arises concerning work being performed - Utilizes the experience of the Level 1 Coil Inserter and the Winding Team Leader.

Blueprints & Traveler - Can correctly interpret the drawings and Traveler documents, but sometimes needs assistance when working on new, or very complex, jobs

Physical Requirements

Job requires standing - some of the work can be done while seated. Since overhead cranes are available in all work areas, Technicians are not required to lift more than 50 pounds.

Environmental / Safety Issues

Keeps work area clean and free of scrap materials. Follows all safety rules applicable to machine as stated on posted signs and in Company policy.

Training

Requirements for this position are to also be engaged in: 5S, Continuous Improvement, On-Time Delivery, Routine Total Preventative Maintenance and the submission of Improvement Ideas.

Cross Training

Cross trains on all of the operations in the Winding Shop as directed by the Winding Team Leader.

Education / Certification

High school graduate preferred - will consider commensurate experience. Has passed Certification Test established by the Company for each machine/procedure that is used without close supervision.

Finished Product

Ensures that finished product meets specifications and that it is moved to the next position on the Traveler in a timely manner.

Accountability

Reports to Winding Team Leader. Ensures that the Winding Team Leader is informed of all progress and problems.