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Stanley Black and Decker Machine Operator Heat Treat Hardener Operator 12hr AM in East Longmeadow, Massachusetts



Machine Operator Heat Treat Hardener Operator 12hr AM





No. of Positions:


Job Description:

General Responsibilities:

Perform various duties to operate horizontal electric controlled atmosphere furnaces, vertical heat- treating equipment for continuous hardening and tempering various sizes, following prescribed standard methods, practices and procedures. Work from coil identification tags, specifications, various charts, tables, established procedures, written or verbal instructions. Use micrometers, vernier calipers, overhead electric hoists, hand electric truck, various furnace speed and temperature controls and direct reading instruments, endogas generator for controlled atmosphere dew point. Set-ups require threading of leader through furnace, adjustments to speeds, tensions, air flow, oven temperatures, water temperature and pressure to achieve prescribed operating conditions. Calibrate induction heating unit periodically.


  • Check all coil ID tags for correct specifications and to assure completion of previous operations. Set feed rate and check speed with stop watch. Use overhead hoist to place coil on play out table. Join start of new coil to end of preceding coil by resistance butt welding or wiring for continuous operation. Check direct reading instruments for temperature and monitor nitrogen atmosphere make up. As necessary, make adjustments to air jets, induction coils, etc. Cut section from each coil and check teeth and gullet for visual defects. Use vernier caliper to check stretch against reference chart.

  • Secure hardened coils with wire and place on tempering rack. Transport full racks to tempering area and load into tempering furnace using overhead hoist. Close furnace and start first tempering cycle. At conclusion of first cycle, open furnace and allow to cool to prescribed temperature. Use overhead joist to remove rack of coils and place in designated holder. Place fan on rack and activate to bring to room temperature. Return rack to furnace for repeat tempering cycle. All bi metal coils are treated two, three or four times and allowed to air cool between cycles. To operate tempering furnace, secure cover and start heating cycle by activating switch. Temper length of time is automatic, and furnace will shut off automatically and visually signal end of cycle.

  • Detect and report defective or unsafe equipment and materials, as well as unusual situations.

  • Observe and obey all safety rules, practices and procedures.


Demanding, fast-paced position resulting from deadline pressures, simultaneous competing demands and changing priorities.


  • Knowledge of charts, specifications, and micrometers

  • 1-2 years experience preferred

  • Use of numbers including decimals

  • Light physical effort required, equivalent to lifting, pushing, pulling 5 to 25 pounds

  • High School diploma or GED equivalent

Hours: Tue-Sat 5a-5p

Requisition Number:





East Longmeadow

FLSA (For US Only):




EEO Statement:

All qualified applicants to Stanley Black & Decker are considered for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran’s status or any other protected characteristic.

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