Manual Electric Power Lathe

Inactive Procedure - Pending approval from Maintenance Department Lead

The Maintenance Department at Dow Aero, LLC (“Company”) use Manual Electric Power Lathe for employees to manufacture / turn large and small items quickly and effectively. Information for this equipment, including equipment details, locations, required personal protective equipment (PPE), standard operating procedures, energy source types, maintenance/repair procedures, training, and record keeping are identified below.

Equipment Details

Information identified on this page applies to the following equipment:

  • Manufacture - JET

  • Model Name - GH-1440B Geared Head Bench Lathe

  • Model Number - 323446

  • Asset Number  - 0000398

Locations

  • Locations - South Oklahoma City

  • Facilities - Maintenance Shop

  • Work Areas - Metal Working

Required Personal Protective Equipment (PPE)

  • ANSI Z87.1 safety rated safety glasses/goggles; and

    • Standard eyeglasses (with or without safety shields) are not acceptable.

  • Apron or properly fitted shop coat; and

  • Hair ties or other appropriate restraints (for operator/servicer with long hair or beard).

Select here for more information on Company’s Personal Protective Equipment (PPE) Requirements >

Standard Operating Procedures

Startup

  1. Confirm the work area is clear of debris, tools and unauthorized personnel.

  2. Verify the following are in good working order:

    • Operator should always clamp the work and tool properly with the correct size of work and tool holding the device.  

    • Check the faceplate or chuck by hand to be sure that there is no danger of the work striking any part of the lathe.

    • Power cord and outlet is not damaged.

  3. Select the correct boring bar and insert for the job.

  4. Select the correct RPM speed for the job.

Operation

  1. Locate the On & Off switch. 

    • As represented by a green (on) and red (off) button.

  2. Select the desired feed rate at which the tool feeds.

  3. Depending on the cut and material select high or low gear.

  4. Select how fast / RPM you re going to cut.

  5. Choose the clockwise or counter clockwise rotation of the lathe.

  6. Verify the feed chart for longitudinal or transverse cuts.

  7. Thread cutting: set feed rate selectors in proper position for correct feed rate of the thread pitch to be cut.

  8. Press the brake pedal to stop the lathe immediately if necessary.

Shutdown

  1. Press the Stop (red)button to power off the equipment.

  2. Make sure the spindle has stopped completely. 

    • DO NOT USE YOUR HANDS TO SLOW IT DOWN.

Energy Source Types

The Manual Electric Power Lathe contains the following energy sources:

  • Electrical

Maintenance and Repair Procedures

Notification

  1. Upon the Manual Electric Power Lathe malfunctioning, affected employee(s) are to notify the authorized employee or superior.

    • The current authorized employee(s) for this equipment are:

      • TBD

Shutdown

  1. The authorized employee(s) notify affected employee(s) of Manual Electric Power Lathe being removed from production.

  2. De-energize the energy types as follows:

    • Electrical

      • Unplug receptor from power source.

      • Cut power from the electrical breaker supply box.

      • Lockout/tagout the electrical breaker supply box.

      • Verify stored energy sources are present before servicing.

        • e.g. capacitors, batteries, etc.

Diagnostics

  1. Authorized employee(s), and/or approved contractor, determines the solution for corrective action.

Servicing

  1. Authorized employee(s), and/or approved contractor, is responsible for removal, repair, replacement of part(s).

Startup

  1. Authorized employee(s), and/or approved contractor, confirm areas are safe and clean for restarting production use:

    • Confirm the work is completed and the inventory of tools/equipment that were used are accounted for.

    • Remove all towels, rags, work-aids, etc.

    • Replace all appropriate guards (if applicable).

    • All controls should be in their safest position (i.e. no power mode).

  2. Inspect the work area to ensure that all individuals have been safely positioned or removed from work area.

  3. Verify the authorized employee(s), and/or approved contractor, lockout/tagout is removed.

  4. Reenergize the energy type as follows:

    • Electrical

      • Remove lockout/tagout on the electrical breaker supply box.

      • Restore power on the electrical breaker supply box.

      • Plug receptor from power source.

  5. The authorized employee(s) shall notify affected employee(s) when equipment is ready to resume production.

Training

TBD

Recordkeeping

The following inspections are to occur each day before use:

  • Carriage

    • Lubricate two ball oilers on top of carriage daily with manufacture approved oil.

  • Compound Rest

    • Lubricate three ball oilers once daily with manufacture approved oil.

  • Cross Slide

    • Lubricate four ball oilers once daily with manufacture approved oil.

  • Leadscrew/Feed Rod, Longitudinal Feed Handwheel, and Tailstock

    • Lubricate ball oilers once daily with manufacture approved oil.

The following inspections are to occur each week before use:

  • Gear Shaft

    • Located the oil nipple and add a couple drops of manufacture approved oil.

The following inspections are to occur every ### hours of use for this equipment or every 180 days, whichever is lesser:

  • Apron, Gear Box, and Headstock

    • Oil shall be within tolerable range as per the indicator mark.

  • External Gears

    • Coat all gears with a heavy, non slinging grease.

The following service logs are to be maintained for two (2) years on this equipment:

  • Inspection of Moving Parts

  • General Cleaning

  • Oil Fluid Refills

Change Log

TBD - Version TBD

Policy pending by William Dowding, Chief Operating Officer (Department Lead of Maintenance).