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Line 18: − A bending brake is a metalworking machine that allows the bending of sheet metal. The brake in the shop is a Chicago W31 steel box and pan brake. In a box-and-pan brake (also known as a finger brake), the clamping bar includes several removable blocks, which may be removed and rearranged to permit bending of restricted areas of a piece of sheet metal or of already partially formed pieces. After bending, a box or pan form is then completed by screw, solder, weld, rivet, or other metal fixing process. − − The current Ace of the {{PAGENAME}} is '''{{#show: {{PAGENAME}} |?Has ace.Has name}}''' ({{#show: {{PAGENAME}} |?Has ace.Has email address}}).<br /> − __TOC__ − − == Resources == − * [http://www.americanmachinetools.com/how_to_use_a_hand_brake.htm How to Use a Hand Brake] − * [https://www.youtube.com/watch?v=prZtjSlyLFo Box and Pan Brake Video] − == Training == − === Bending Steps === − #Ensure that your sheet metal is thinner or equivalent to 14-gauge sheet metal, and ensure that it is less than 48" in width. − #If making a bend for a box or a pan, adjust the fingers so that the equivalent width of the fingers is just shorter than your sheet metal. − #Adjust the clamping force and the clamping handle to allow room to insert your work piece. − #Insert your work piece to the line you want to bend, centered in the brake, and clamp your piece securely. − #Pull up on the bending handle of the leaf slowly until your piece is bent to the desired angle, and slowly lower the leaf. − #If the piece does not bend straight, unclamp the handle on the overbent side and adjust the top leaf. − #Adjust the clamp handle, and remove your piece. − #Put back any fingers if adjusted, and deburr if any rough edges are left. − − == 3 commandments == − Stuff about the [[3 commandments]]. − === Safety First === − #Always make sure your hands are out of the way of the fingers and all moving parts. − #Be aware of your surroundings to ensure that you do not bump others with the counterweight. − #If bending a small piece of metal, place it in the center of the brake. − #You may not use the sheet metal machines without safety glasses!! (Should be obvious if you are following the rules of the shop) − === Reset the Space === − == Parts of the Machine == − [[File:Bending Brake Parts 1.jpg|600px|thumb|left|Clamping Handle and Fingers]] − [[File:Bending Brake Parts 2.jpg|600px|thumb|left|Bending Handle and Counterweight]] Line 70:
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[[{{#show: {{FULLPAGENAME}}|?Has icon|link=none}}|100px|left|top|{{#show: {{FULLPAGENAME}}|?Has icondesc}}]]
[[{{#show: {{FULLPAGENAME}}|?Has image|link=none}}|300px|thumb|upright=1.5|{{#show: {{FULLPAGENAME}}|?Has imagedesc}}]]
[[{{#show: {{FULLPAGENAME}}|?Has image|link=none}}|300px|thumb|upright=1.5|{{#show: {{FULLPAGENAME}}|?Has imagedesc}}]]
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====Terminology====
====Terminology====
====Parts of the Machine====
[[File:Bending Brake Parts 1.jpg|600px|thumb|left|Clamping Handle and Fingers]]
[[File:Bending Brake Parts 2.jpg|600px|thumb|left|Bending Handle and Counterweight]]
User Manual
User Manual