TOP-BLAST

Trinity Operating Procedures - TOPs

TOP-BLAST: Blasting

Rev: 12/06/2017

Scope: This procedure covers blasting, the cleaning of scale-covered or rusted forgings with steel shot and grit. Other cleaning processes such as tumbling are treated as any other post-production process.

Procedure:

STEP WHO WHEN INFO TO USE WHAT TO DO

BLASTING PARTS IN SMALL BLASTERS, NOT IN 601 or 605

1a Blaster Operator or Post Forge Helper Anyone brings cooled parts (below 150°) to blaster area Tag on parts container; if questions, look into Process Plan on the Production Floor Traveler (in QC Inspection Folder) Keep heat codes and similar jobs separated; follow procedures on the Production Floor Traveler; determine whether to clean or not and, if so, the appropriate cleaning time and grit/shot mixture; determine the correct containers to unload into.

2b Blaster Operator or Post Forge Helper IF PARTS ARE TO BE BLASTED: As soon as blaster time is available Production Floor Traveler Load blaster and clean parts for 20 minutes, unless Production Floor Traveler indicates differently or directed by a supervisor.

3c Blaster Operator or Post Forge Helper When cleaning is complete Production Floor Traveler Unload parts into inspection buggy and move buggy to appropriate QC inspection area; tag each buggy stating parts require inspection.

BLASTING PARTS IN 601 OR 605 (BIG BLASTERS)

1b Blaster Operator or Post Forge Helper Post Forge Helper brings parts to blaster area (typically after heat treat) Tag on parts container, and, if questions, look into Process Plan on the Production Floor Traveler (in QC Inspection Folder) Keep heat codes and similar jobs separated; determine per the Production Floor Traveler whether to clean or not and, cleaning time and grit/shot mixture; unload parts onto inspection table.

2b Blaster Operator or Post Forge Helper IF PARTS ARE TO BE BLASTED: As soon as blaster time is available Production Floor Traveler Load blaster and cleans parts for 20 minutes, unless Production Floor Traveler indicates differently or directed by supervisor.

3b Blaster Operator or Post Forge Helper When cleaning is complete Production Floor Traveler Unload parts into appropriate containers and move parts going to heat treat area or weigh-count area; unload parts onto inspection table that are ready to ship.

Revision history:

Release Date	Description of Change	Owner	Approver
12/06/2017	Updated to comply with revised Quality Manual and new TOPs format.	Tim Ellis	Todd Sheppard

Documents are controlled only when viewed on-line at trinityforge.com in the original English -- printed copies or translations are not controlled documents.
© Trinity Forge & Machine

STEP	WHO	WHEN	INFO TO USE	WHAT TO DO
BLASTING PARTS IN SMALL BLASTERS, NOT IN 601 or 605
1a	Blaster Operator or Post Forge Helper	Anyone brings cooled parts (below 150°) to blaster area	Tag on parts container; if questions, look into Process Plan on the Production Floor Traveler (in QC Inspection Folder)	Keep heat codes and similar jobs separated; follow procedures on the Production Floor Traveler; determine whether to clean or not and, if so, the appropriate cleaning time and grit/shot mixture; determine the correct containers to unload into.
2b	Blaster Operator or Post Forge Helper	IF PARTS ARE TO BE BLASTED: As soon as blaster time is available	Production Floor Traveler	Load blaster and clean parts for 20 minutes, unless Production Floor Traveler indicates differently or directed by a supervisor.
3c	Blaster Operator or Post Forge Helper	When cleaning is complete	Production Floor Traveler	Unload parts into inspection buggy and move buggy to appropriate QC inspection area; tag each buggy stating parts require inspection.
BLASTING PARTS IN 601 OR 605 (BIG BLASTERS)
1b	Blaster Operator or Post Forge Helper	Post Forge Helper brings parts to blaster area (typically after heat treat)	Tag on parts container, and, if questions, look into Process Plan on the Production Floor Traveler (in QC Inspection Folder)	Keep heat codes and similar jobs separated; determine per the Production Floor Traveler whether to clean or not and, cleaning time and grit/shot mixture; unload parts onto inspection table.
2b	Blaster Operator or Post Forge Helper	IF PARTS ARE TO BE BLASTED: As soon as blaster time is available	Production Floor Traveler	Load blaster and cleans parts for 20 minutes, unless Production Floor Traveler indicates differently or directed by supervisor.
3b	Blaster Operator or Post Forge Helper	When cleaning is complete	Production Floor Traveler	Unload parts into appropriate containers and move parts going to heat treat area or weigh-count area; unload parts onto inspection table that are ready to ship.