Newbould Grindit

Newbould Indexer

Newbould Flatspin

Servo Indexer

Submersible Drive

Product Accessories

Motor Parts and Repair

Pricing

   

 

  

 

  

Imperial Newbould Grindit

Motorized Spin-Grinding Fixture for Installing Radii and Angles

 

  With the Imperial Newbould Grindit Spin Fixture you are able to: spin grind, install radii and angles, use on a milling machine, submerge in EDM fluid, and inspect angles or roundness.  The Newbould Grindit is available in A-2 Steel or 440C Stainless Steel.  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
Top Side Shotpin
Allows for lock-in indexing every 15 degrees, repeatable within 10 arc seconds. 
Adjustable Stops
Two adjustable stops are standard, adding additional stops more than 30 repeatable angles can be used with one setup. 
Zero Null Benefit
Loosening 4 socket head cap screws on rear of the unit allows a +/- 8 degree adjustment from zero setting.
Spindle
Is guaranteed to 50 millionths TIR for one year from date of purchase; the face plate is guaranteed +/- .0003" square over 3-3/4"
The V-Block
The V-Block is precisely ground to fit the particular fixture.  A .0004" variance allows sideways maneuvering between the keys.  A 1/4-20" hole at the bottom of the V allows for working without a clamp.
5C Insert
Standard 5C Insert is ground to fit the particular fixture; the serial number of the Grindit is ground into the insert.
Submersion
Can be safely submerged in to EDM fluid by attaching an air regulator into the grease port and supplying 2 pounds of air pressure.
Motor
1/15 hp variable speed, reversible 1800-rpm motor produces a zero to 400-500 rpm spindle speed of the fixture.
Available Accessories
Precision Three Jaw Chuck
4" Magnetic Chuck
Quick Mount Adapter for Magnetic Chuck
Submerge Drive System,
Cog Belt Drive
Pressurization Kit 
 
Specifications:
Spindle Roundness 50 millionth TIR
Deflection +/- .0003" 3-3/4" Out
Topside Shotpin 10 arc-second repeatability
Center Height 3.004" +/- .002" from bottom
Thru Hole 1-1/4" plus
Weight 14 lbs
Base Size 3-1/2" x 4"
Height 5"
Bottom Holes 2-1/2" centers
Material Available in A-2 or 440C Stainless Steel
V-Block Capacity 1-1/2"
Distance Between V-Block Keys 2.600 + .0002"
V-Block Width 2.600 -  .0002"

 
 

 

10826 Mercer Pike, Meadville, PA 16335  Phone (814) 337-8155  Fax (814) 337-2900