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Instruction Manual 

GS-60 

Support Page

http://www.youtube.com/user/dweaverframe?feature=mhee

 

 

Introduction 

 

The Canvas Stretching Machine is a fully pneumatic canvas stretcher capable of 
stretching original art on canvas, giclee prints and any fabric suitable for stretching.  The 
following is a list of operating parameters that should be observed to ensure a safe and 
efficient stretch: 
 
 
 
 
 
 
 
 
 
 
 
 

1.

 

Minimum amount of excess canvas 1.5” past the bottom of 
stretcher bar and no more than 2.5”  

2.

 

Minimum stretcher bar width .75” 

3.

 

Maximum stretcher bar width 2.5” 

4.

 

Maximum supply air 120 psi  

5.

 

Minimum supply air pressure 90 psi (required for staple gun) 

 

Safety Precautions

 

Air Pressure

: before applying air to your machine, adjust the regulator at your 

compressor to produce 

90 psi.

 If you are using a pneumatic staple gun please be sure to 

provide what the manufacturer recommends, this may require you to provide a 2 way 
manifold from your compressor.   
 
The Clamping Bar has a dedicated pressure regulator and it is set to a point that will not 
exceed the Stretcher Bar pressure by more than 10 psi.  This is to ensure that the canvas 
is permitted to slip just enough to minimize overstretching. The operating pressure of the 
Clamping Bar is internally preset to 50 psi….

Do Not Adjust This Setting! 

 
 

CAUTION

:

  

the clamp and stretcher bar move slowly, they are deceptively powerful. 

The force behind them can damage your fingers, please ensure that your hands and 
fingers are clear of the clamp at all times.  DO NOT place your fingers between the 
Clamping Bar and Front Plate at anytime. 
 

Summary of Contents for STRETCHER-240

Page 1: ...lying air to your machine adjust the regulator at your compressor to produce 90 psi If you are using a pneumatic staple gun please be sure to provide what the manufacturer recommends this may require...

Page 2: ...best accomplished with gusseted brackets that can be purchased at any big box store Snap a line at 3 25 from the top of the workbench and install gusseted brackets on the line It is recommended that...

Page 3: ...the forward most tab on the left outside edge where the outside edge of the top mounting plate is 21 125 to the left of the centerline and secure it to the bench using the 2 holes at top of the mount...

Page 4: ...he 2 front tabs of the mount should rest on each side of the machines support rails as shown in the picture below This keeps the machine from moving left or right The metal set screw on each tab shoul...

Page 5: ...force A color coded tubing harness is attached to the foot pedal assembly The loose ends must be connected to the under side of the machine pictured below to their corresponding color coded quick conn...

Page 6: ...ted brackets allow for adjustment for different width stretcher bars Setting up Stretcher Plates Video http www youtube com watch v 94rntl0C0rY Position both stretcher plates in the middle of the stre...

Page 7: ...the plates together in and out until the face of the wooden frame is approximately behind the angle bar In other words create a gap so the canvas will waterfall down into the opening when the clamp i...

Page 8: ...n this position the stretcher bar should extend approximately over the front of the angle bar In summary the wood stretcher bar should be on top of the stretcher plates but the approximately behind th...

Page 9: ...ake a second fold along the image 3 Place the assembled stretcher frame flat side up on the artwork and slide it against the first crease Then slide the outside rail against the second crease This is...

Page 10: ...ys parallel to your edge Adjust air pressure of staple gun so that the staples due not penetrate the canvas 5 Place the stretcher frame on top of the stretcher plates with the starter course away from...

Page 11: ...rails will result in an uneven stretch a few inches left and right of center Art larger than 30 may require moving the plates farther apart but try to avoid moving the plates toward the outside rails...

Page 12: ...ing pedal Be sure to maintain control of the stretcher frame with your free hand It should rest on the outside rail applying only light pressure The stretching pressure should be no more than 15 20 ps...

Page 13: ...sfied with the tension you can staple the canvas to the frame with a long nosed pneumatic staple gun The staple gun is operated upside down and the trigger is depressed with the thumb Slide the nose o...

Page 14: ...the artwork and lay it facedown on your work surface as shown Create a slight crease on the corner to define the edge 2 Cut just inside the creased line and stop at the stretcher bar 3 Make your secon...

Page 15: ...unts are forced out of alignment This is best resolved over the phone If you are experiencing this problem please do not hesitate to contact us at 614 499 4989 and ask for Dave The Canvas is slipping...

Page 16: ...ing stretched there is a strong upward force that tends to pull the clamping bar upward with the canvas This is not an issue unless the bar remains in this position or there is excessive play If this...

Page 17: ...etcher plates is half the distance between the center and the outside rail do this for both sides Tips Tricks Large artwork will not typically rise very much during a stretch due to the weight of the...

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