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850mm SINGLE NUT MACHINED BALLSCREW 1605

$122.50

  • Model: 1605-850MSN
  • Shipping Weight: 1.6kgs
  • 9 Units in Stock

with minimum internal friction. They are made to close tolerances and are therefore suitable for use in situations in which high precision is necessary. The ball assembly acts as the nut while the threaded shaft is the screw.

What is the advantage of a ballscrew over acme screw or threaded rod?
Low friction in ball screws yields high mechanical efficiency compared to alternatives. A typical ball screw may be 90 percent efficient, versus 50 percent efficiency of an Acme lead screw of equal size. The higher cost of ball screws may thus be offset by lower power requirements for the same net performance.  I.e. if you load up a threaded rod or acme screw, then it becomes very difficult to turn, whereas a ballscrew will still be quite easy to turn.

Why buy from us rather than someone overseas?
We are based in Melbourne, and all stock is located at our Melbourne warehouse.  If there are any problems, we can quickly solve it, whereas if you bought from overseas you will have to pay for the shipping to return the item.  Also, our ballscrews come shipped in plywood crates, with each ballscrew individually separated from the next.  The crates are then loaded into a shipping container, without any further handling.  Below is how our ballscrews are shipped to us:  
Ballscrew Crate
If you buy from an overseas seller, packaging will be minimum so as to reduce postage costs. Numerous customers have had to buy replacement ballscrews from us, as the ones they bought from overseas arrived damaged!


Features include:

  • Ball nut pre-installed (please do not remove the ball nut as the balls will fall out and cannot be replaced!)
  • Professionally machined from the same factory that manufactures the ballscrews
  • The motor attachment point has been machined to 1/4" (6.35mm) to match  the shafts of NEMA23 stepper motors!
  • Machined to suit our 16mm ballscrew supports
  • C7 rating
  • Teflon seals to prevent debris entering ballscrew
  • Perfect for your DIY CNC routers, mills, lathes
  • No more slop like you would get with acme or threaded rods!  
  • Oil nipple installed
  • We also have ballscrews in 20mm, 25mm, 32mm and a massive 40mm!
  • Suits X, Y or Z axis
  • No more unwanted errors in your machining work!
  • Item located in Melbourne, so you will get it fast and packed well! Don't risk having it shipped from overseas!
  • Please check out my other CNC items & we do provide combined shipping!
Specifications:
  • Ballscrew Diameter:                              16mm
  • Ball thread length:                                 850mm
  • Total length including machined ends:  912mm
  • Pitch:                                                     5mm
  • Basic Dynamic Rating Load (kgf):         888.1
  • Basic Static Rating Load (Kgf):             1525.4
  • Stiffness (Kgf/um):                                 2.1
Specification Diagrams:

16mm Ballscrew Driven End

16mm Ballscrew Non-Driven End


Ball Nut

Be sure to check out my other CNC listings below for shafts, rails, bearings, cable carrier, etc for your CNC project!
 

Please feel free to ask any questions!


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This product was added to our catalog on Monday 29 November, 2010.

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