JCE Metalwork case studies
JCE Metalwork · Put your knowledge to work in context.
JCE Metalwork (also called Junior Certificate Metalwork or Metalwork and Technology) is the junior-cycle technology subject examined in Ireland. It suits students who enjoy working with their hands and want to understand why materials behave as they do: you learn to read a drawing, plan a sequence of operations, cut and shape metal accurately, join it, and finish it to a standard someone else can inspect. The JCE Metalwork case studies are 5 cases and about 3,742 words.
1Selecting Material and Finish for a Coastal School Bike Rack
A school design class is building a bike rack for eight bicycles. The rack consists of twelve inverted-U hoops made from 25 mm × 25 mm × 2 mm mild steel square tube, welded at the corners and fixed to a concrete pad with four M10 galvanised anchor bolts per hoop.
832 words, about 4 min2Hacksaw Cut Wanders Off Square on a Bearing Spacer
An apprentice must cut a 60 mm length from a 40 mm diameter mild steel bar to make a spacer for a bearing housing. The finished spacer must be 60 ±0.5 mm long and square to within 0.3 mm.
755 words, about 4 min3Pillar Drilling Stainless Steel Bracket Without Coolant
A student is drilling eight 8 mm diameter holes in a 5 mm thick sheet of 304 stainless steel to make a bracket. The pillar drill is set to 1200 rpm.
729 words, about 4 min4Trailer Drawbar Bolts Keep Loosening Under Vibration
The technology department maintains a small box trailer used to carry tools between buildings. The drawbar is attached to the chassis with four M10 × 1.5 grade 8.8 bolts, plain washers, and standard hex nuts.
701 words, about 4 min5Batch of Angle Brackets Out of Tolerance Due to Caliper Zero Error
A student must make 20 identical L-brackets from 40 mm × 40 mm × 4 mm mild steel angle. Each bracket has two 8 mm holes: one in each leg, with hole centres 30 mm from the outside corner and 15 mm from the end.
725 words, about 4 min