Red Seal Tool and Die Maker case studies
Red Seal Tool and Die Maker · Put your knowledge to work in context.
The Red Seal endorsement for Tool and Die Maker (trade 430A) is a Canadian interprovincial certification that confirms a journeyperson can practise the trade to a common national standard. It is issued through the provincial and territorial apprenticeship authorities and recognized across Canada, so it travels with you between jurisdictions. The Red Seal Tool and Die Maker case studies are 5 cases and about 3,239 words.
1Setup Key Switch Muted on a 250-Ton Press
In a toolroom supporting a stamping plant, a 250-ton straight-side mechanical press is being set with a new progressive die weighing 1.9 t. The die hangs from the crane on two 1.5 t swivel hoist rings threaded into M16 holes in the upper shoe; a third lifting point is a tapped hole in the punch holder.
647 words, about 3 min2Datum B Is a Slot: Drawing and Model Disagree
A 1.2 mm thick 301 stainless half-hard bracket is to be blanked and formed in a compound die. The customer drawing shows six Ø4.00 +0.05/0 holes with a feature control frame: position Ø0.15 Ⓜ to datum A (the flat face), B (a 20.00 +0.10/0 wide slot), C (the left edge).
658 words, about 3 min3Grinding Burn and Concavity on a 60 HRC D2 Forming Block
A D2 die block, 150 x 200 x 40 mm, hardened and tempered to 60 HRC, is surface ground on a reciprocating grinder using a 250 x 25 mm WA46JV wheel at 30 m/s. The operator takes 0.05 mm depth per pass at 15 m/min table speed with flood coolant: 5% soluble oil at 20 L/min.
603 words, about 3 min4Ball-Nose Chatter and a Parting-Line Step That Reverses
An H13 mould insert, 48 HRC, is being finished on a 3-axis VMC. The cavity is 80 x 80 x 25 mm deep with 3 mm corner radii.
658 words, about 3 min5D2 Punch Chips at a Square Corner After 1,200 Strokes
An 80 mm long progressive-die punch, 12 x 12 mm section, is made from D2 bar and vacuum hardened. The heat treater's certificate shows austenitize at 1,020 °C, 20 min soak, 2 bar gas quench, double temper 2 x 2 h at 510 °C.
673 words, about 3 min