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Tool & Cutter Grinder #1

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Job Details
Job Order Number
466789
Company Name
General Dynamics Corp
Physical Address
291 North St
Saco, ME 04072
Job Description

Tool & Cutter Grinder .#1
Job Locations

US-ME-Saco

Requisition ID
2020-11082

Position Type
Full Time

Category
Manufacturing and Production

Overview

The Tool & Cutter Grinder .#1 will set up and operate grinding machines such as CNC, Surface and Universal, carbide, drill, and tool and cutter grinders. Sharpen cutting tools to specifications using blueprints, process sheets, and knowledge of abrasive and metal properties. Routinely work to gage-makers tolerances of +/- .0002. Follow established company directives, policies, military specifications, quality documents and manufacturing instructions.
Major Position Responsibilities

Review blueprints and process specifications and plan grinding sequence. Select appropriate grinding wheel of appropriate shape and grade. Position and secure cutting tool on machine table. Move controls to set cutting tool rotation speed, feed rate, and grinding wheel rotation speed. May set up adjustable index plate and rotate cutter by hand to individually sharpen each tooth on cutter.

Set up and perform grinding operations, on form both relieved and profile ground cutters. Ensure that specified clearance and rake angles are maintained according to cutter diameters and types of material being machined.

Perform grinding operations using a variety of machine attachments and accessories. Use oxygen and acetylene torch to remove and replace carbide inserts on cutting tools by brazing, silver soldering, etc. Specialized grinding equipment and attachments are used on some machines.

Verify conformance of finished cutters to specification using precision measuring equipment. Consult with machine operators and rig-up personnel on cutter application and gaging tolerances resulting from cutter grinding services.

Apply knowledge of mechanics, shop mathematics, layout, inspection and machining procedures. Convert from decimals to metrics and vice versa.

Check wheel for cracks and proper RPM. Exercise caution to prevent personal injury to self due to high RPM of grinding wheels and hazards associated with grinding. Perform operator tasks according to the machine’s process maintenance checklist to ensure that the machine is in proper working order, and to record information as instructed. Practice safety and good housekeeping policies and procedures. Must be capable of lifting up to 35 pounds on a regular basis.

May be required to perform other duties as required by supervision and follow instructions as directed.

Basic Qualifications

Required:

High school diploma or G.E.D. required. Associates degree or technical college preferred.
Experience:

Employee must have basic computer skills, and may be required to enter and verify information into written forms or database(s) as appropriate.
Over four (4) years. Requires technical training equivalent to four (4) years high school plus apprenticeship or trade school background

Knowledge:

Must know the variables that contribute to premature cutter failure such as lack of rigidity in set-up, improper speeds and/or feeds, incorrect clearance angles, chip loads, coolant flow, etc.
Must be knowledgeable of cutting tool alloys and mechanical properties such as abrasion resistance, toughness, and heat resistant capabilities of high speed steels and carbide alloys.
Skills:

Proficient with machineability ratings of materials and capable of calculating speeds and feeds for various materials. Understands and applies cutting tool geometry and functions of the various angles such as radial and axial rake, chamfer and clearance angles, radii, etc.
Must be aware of causes of cutting tool failures such as cratering of HSS and carbide cutters, abrasion, chipping, and breakage problems, etc.
Adept with cutter nomenclature, styles of cutters, and cutter applications.

General Dynamics is an Equal Opportunity/Affirmative Action Employer – Minorities/Females/Protected Veterans/Disabled


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