Shell Finishing Processor - Deer Creek; Portland

Position: Shell Finishing Processor - Deer Creek (Portland, OR)
Location: Portland

Job Description

MISSION:

To deliver the highest quality shell to Casting on time by grinding, dewax, plugging, cleaning, inspecting, insulating and repairing ceramic molds.

PRINCIPAL

ACCOUNTABILITIES :

1. Shell Grinding

Objective: to prepare molds for dewax, deplasticize, flash fire and casting operations.

Essential Job Functions:

A. Grinds mold edges, vents, thermal-coupling tubes, pins and open cups to allow removal of wax per specifications.

B. Assures proper drying time between sealer dip and grinding.

C. Maintains lot integrity.

D. Takes shell weights as required.

E. Cleans handles and/or frames of excess shell materials.

F. Breaks down framed product by removing skirts, nuts, washers and shell material as needed.

G. Removes and cleans plastic band from mold platter (LPCS and LPCT only); pulls string for shell removal as needed. (SSBO only)

H. Loads dewax carts according to specifications.

2. Dewax/Deplasticize

Objective: to remove wax from molds of water wash machine and/or high pressure steam autoclave.

Essential Job Functions:

A. Verifies load for size and weight requirements.

B. Secures loads for transport and pressurization of autoclave.

C. Loads autoclave, records time, operates autoclave.

D. Transfers loads to drying oven and operates oven. (SSBO only)

E. Removes part from autoclave; transports to shell inspection area.

F. Removes impurities from nuts, washers, bolts and frames. (LPCT only)

G. Cleans wax residue from underside of mold and seal openings.

H. Prepares hoppers for wax drainage from autoclave. (LPCT only)

I. Logs dewaxed mold weight onto computer terminal (Marginal job function at SSBO)

J. Cleans mold frames of excess ceramic material; transfers frames to storage area or cleaning department.

3. Flash Fire Furnace - SSBO only

Objective: to remove wax and plastic using flash fire furnace.

Essential Job Functions:

A. Starts and shuts down furnace, monitor operating controls.

B. Loads furnace, which operates at 1900 degrees Fahrenheit.

C. Maintains lot integrity.

D. Inspects load after furnace operation.

E. Completes logs and records.

4. Inspection

Objective: to inspect and repair shells prior to shipment to casting.

Essential Job Functions:

A. Inspects shell for cracks and defects with a variety of hand inspection tools. LPCT only - Borescope used on limited basis if operator notices problem.

B. Makes repairs with cement, wax, slurry first dip solution or mesh as needed.

C. Plugs vents, holes, risers, and pours cups.

D. Installs filters. (SSBO only)

E. Verify lot integrity, checks .

F. Verifies water weight to analyze metal needs, checks for leaks.

5. Insulation - Final Preparation

Objective: to attach insulating material to shell as required.

Essential Job Functions:

A. Cuts, wires or uses mud to attach insulating material to shell as required.

B. Inspect shells for defects, including storage damage.

C. Marks part and lot number on shell.

D. Verifies lot integrity.

E. Rolls insulated parts over to upright position for final processing.

F. Places thermal-couples into mold as directed. (LPCS only)

G. Places part on special framing fixtures (LPCS only); transports to casting.

H. Assists engineers with template design and modifications of insulating material. (Marginal job function at SSBO)

6. Maintains and completes all logs and records; assures shell  paperwork during each process step and transportation.

7. Housekeeping

A. Cleans work area which may include grinding room sump.

8. Meets all production and quality standards.

9. Safety

Objective: to take responsibility for and demonstrate safe work practices.

NOTE:

for job positions that require respiratory protection (more than a filtering face piece - dust mask):

In compliance with the Oregon Occupational Safety and Health Division Personal Protective Equipment standard for Respiratory Protection, OAR 437, Div. 2/I  and Oregon Health Division Rules for the Control of Radiation, OAR 333. Div. 120  through 330), certain tasks within this job position require/may require the use of a NIOSH-approved respirator. An individual will not be assigned to these tasks if the person is not able to work under these conditions.

Respirator selection will be based on the work performed, exposure…