Video title: How to Roll a Cone – Midland Fabrication
In this video students James & Luke talk us through how to roll a cone in a set of pinch plate rolls. The cone is stage 1 of constructing a pot belly wood heater.
The unit of competence that this is aligned to is MEM05010C Perform Fabrication Forming & Bending. The students are nearing the end of their trade training at TAFE. They are completing a certificate III in Engineering Fabrication.
Click on the time stamps below will take you to a point of interest in the video.
0:01:00 Introduction
0:06 Pinch roll configuration & explanation
0:28 Pyramid roll configuration
0:40 Pinch roll locking in top roll
1:05 initial pinch grip & tension
1:30 Factory snubber explained
1:45 external snubber explained
1:57 Explanation how cone pivots and skids off the snubber
2:23 an alternative factory snubber
2:30 squaring up plate edge in rolls
2:35 Rolling commences
2:47 Rotating cone reduces the requirement for pre-setting ends
2:54 bringing the forming roll up
3:07 safety while using plate rolling machines
3:18 Slide snubber rotate cone, bring forming roll up
3:37 Slide snubber rotate cone, bring forming roll up
3:40 close up showing forming roll coming up
3:59 Slide snubber rotate cone, bring forming roll up
4:54 explanation how snubber stops cone running off the rolls
5:06 Keep the small diameter against the snubber
5:32 keep checking the plate is going in square
6:58 fine adjustment on forming roll
7:24 Desired overlap
8:03 Undo the top pinch roll and extract the cone
8:30 showing overlap
8:45 Finished cone
9:10 Stage 1 of pot belly complete

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