Difference between revisions of "Sheet Metal Shear"

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The shear in the shop is the Pexto G-52 Foot Squaring Shear. Squaring shears, like the one shown to the right, are used to cut sheet metal to a usable size by applying a shearing force with two opposing blades. This shear is foot operated and can cut stock that is a maximum of 12 inches in width and 16-gauge in thickness.
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The current Ace of the {{PAGENAME}} is '''{{#show: {{PAGENAME}} |?Has ace.Has name}}''' ({{#show: {{PAGENAME}} |?Has ace.Has email address}}).<br />
 
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== Resources ==
 
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* [http://thing.cs.usm.maine.edu/~jmc/tools/metalsites/squaringsheer/SHEAR.htm How to Use a Squaring Shear]
 
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* [https://www.youtube.com/watch?v=Zds_loCpCEg Squaring Shear Operation and Safety Video]
 
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* [http://www.tennsmith.com/foot-squaring-shears.html Product Page]
 
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== Training ==
 
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=== Shearing Steps ===
 
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#Make sure the table and floor are clear prior to shearing.
 
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#Mark your piece, place it on the right side of the table, and slide your piece in till your cut line is directly under the blade and against the side guard. Make sure your fingers stay out of the clampdown or you can accidentally crush your fingers if not careful.
 
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#With your fingers holding the piece, use the yellow handle to clamp down on your piece. If the piece is extremely long, ask for assistance.
 
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#Press down on the pedal with your foot until the shear completely cuts your piece. (You may need to use a lot of force) Before the blade engages the piece, make sure that your piece if held securely by the clampdown.
 
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#Collect all of your pieces and deburr.
 
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== 3 commandments ==
 
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Stuff about the [[3 commandments]].
 
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=== Safety First ===
 
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#Never ever put your fingers in the path of the blade or under the clampdown unless you want your fingers cut off!!
 
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#Don't put your second foot under the pedal as you could smash your toes.
 
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#Never leave anything on the table of the shear.
 
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#After shearing, use caution in handling your pieces as they are most likely sharp. Make sure you deburr.
 
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=== Reset the Space ===
 

Revision as of 12:54, 5 May 2020

Sheet Metal Shear icon
Sheet Metal Shear

Make: Peck, Stow & Wilcox Co.

Model: G-52

Ace: Brady Pfeiffer (bpfeiffer21@georgefox.edu).

Location: Machine Shop

Description

The shear is used for making straight cuts in sheet metal as well as other materials. The shearing blade is powered by applying force to the foot bar located in front of the machine. To prevent damage to yourself and or the machine make sure you obey the following rules:

  • Maximum aluminum material thickness you can cut with this machine is .07" x full width.
  • Maximum mild steel thickness you can cut with this machine is .06" x 12" wide
  • Maximum stainless steel thickness you can cut with this machine is .04" x 12" (ask before cutting stainless steel)
  • NEVER attempt to cut round stock or wire on the shear.
  • Plastics can be cut up to 1/8" thick x the blade width.
  • Ask Justin or Nick G. prior to cutting any other materials.
  • Always use the cam lock bar to hold material prior to cutting.

Here is an example of this piece of equipment being used.

Insert video media here.

Documentation

Terminology

  • Foot Pedal:
  • Hold Down:
  • Hold Down Handles:

User Manual

Training

Overview

For the demonstration you will need to show you have understanding of the machine and setup the shear for a cut. You will need select a piece of material for the demonstration and draw a cut line. You will need to align the mark with the machine blade and safely make the cut.

Demonstration

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General Procedure

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Safety

Fingers must be kept away from the blade at all times. Never place your hand or fingers near the blade.

Certification

Foxtale Quiz

Troubleshooting

Maintenance

General maintenance

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Specific Maintenance Tasks

Maintenance Procedure Frequency Done By
Sample Sample Sample

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