Hand Engraving Tools by Steve Lindsay


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   Lindsay Airgravers
   the Artisan AirGraver®
   the Classic AirGraver®
   PalmControl®

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Classic AirGraver® Handpieces

---Click here for more information about the Classic AirGraver®---

---Click here to see a Gallery of work created with the Classic AirGraver®---
 

The Classic AirGraver® is available with two pistons: Standard stainless piston and an optional Tungsten Dead Blow piston.  The chart bellow illustrates the speed ranges of the tool for when it is set at a short stroke, and for when it is set at the longest stroke.

 

Stainless Piston

Tungsten Dead Blow Piston

Short Stroke

Medium Stroke

Long Stroke

Short Stroke

Medium Stroke

Long Stroke

Idle

2,400

2,400

2,400

1,500

1,500

1,500

2 psi

5,400

3,000

3,000

3,900

2,100

1,500

5 psi

6,600

3,600

2,400

4,500

2,400

1,800

10 psi

7,800

4,500

3,000

6,000

3,300

2,100

20 psi

9,600

6,300

4,200

7,800

4,500

3,000

30 psi

11,100

7,800

5,100

8,400

5,400

3,600

40 psi

12,300

8,700

6,300

9,300

5,700

3,900

50 psi

13,200

9,900

6,400

10,200

6,600

4,200

60 psi

13,800

11,400

6,600

10,500

6,700

4,500

70 psi

14,600

11,900

6,700

10,900

7,000

4,800

The stroke adjustment of the Classic AirGraver® makes the tool perform like numerous handpieces in one. 

The Classic AirGraver's length of stroke adjustment
provides a virtual multitude of handpieces in one tool. At any given stroke length setting (determined by the adjustment ring on the barrel of the tool), the power is varied with air pressure from the foot control or PalmControl® (.05psi to 80psi). The absence of an internal spring means uniform performance throughout the range, with no “sweet spots” or “dead spots”. The full range of power and speed is "sweet" throughout, due to the internal automatic balancing of air pressure on both the impact and return strokes.

An advantage to the AirGraver® design is the speed at which it can move a graver physically through the metal when desired. The throttle range is possible because the tool's speed and power work together.  If the tool would only increase in power but not with speed, the result will be more broken points and staggered stair cut marks in the cuts.  Increasing impact speed and power together will deliver an improved, wide range of throttle speeds.  An experienced engraver can increase their productivity significantly. 

watch03 copyb copyb1x1.jpg (27421 bytes)

 

 

The AirGraver's delicate impacts gives the user ideal control. The AirGraver® system requires air consumption of 0.1 to 0.3 CFM at full throttle, allowing the use of smaller air compressors.


Left: Close-up of an engraved pocket watch case
engraved with the AirGraver® 
Click image to enlarge
 

 

rapidchange1.jpg

 

Rapid Graver Change

The Rapid Change of the Classic does not utilize inserts or attachments, simply slip a 3/32" graver into an handpiece and it is ready to go.  The graver can also be locked down with using a setscrew or thumb screw if desired.

 

 

The inset in the butt of the custom burl wood and ivory handles is a banknote style engraving, designed for the tool and reproduced with a restored 1915 150 ton coining press. The design was engraved in tool steel, hardened, and used to reproduced itself in the press.

Pictures of this die being engraved

The Classic handpiece includes length/speed stroke collar, rapid graver change, a hardened stainless piston, anvil, and nose.  No collets required for rapid graver change.  Also included are three high speed steel 3/32" square graver blanks, a leather handpiece pouch, extra screws, wrench and owner's manual. Requires 60psi regulated compressed air from an air compressor. 

Classic handpiece with supple black rubber
 handle (without controller)
 $995
 add_to_cart.gif
The Classic handpiece can be controlled with either a foot pedal or a PalmControl® handle, or it may be used with both.  
Classic handpiece with Foot control, idle adjust and dual regulators  $1244 add_to_cart.gif
Classic handpiece with PalmControl® $2690 add_to_cart.gif
Tungsten Dead Blow Piston $125 add_to_cart.gif
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Custom Amboyna Burl Handle for foot control AirGraver®.  These burl handles will fit on foot controled Classics, Aritisans and NitroG90s.
$199

 


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More information about Lindsay AirGravers.

As far as I'm concerned, the Lindsay PalmControl® is worth every penny.  Phil Coggan                Additional Feedback

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