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TM 310: Thread Efficiency Testing Equipment

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Thread Efficiency Testing Equipment

Product Details


Technical Description 
 
This benchtop unit is based on the vertical combination of a threaded spindle and a nut. It contains two spindles with trapezoid threads and varying lead. To match these spindles, three long nuts made of different materials with single lead, and a cast iron nut with a double lead are provided. A spring balance with a nylon cord enables a turning moment to be exercised on the spindle using a pulley. Additional weights can be placed on the rotating plate to change the axial load on the thread. The thread efficiency can be determined and compared using the measured values. The unit is portable and is equipped with anti-slip feet to ensure that it remains stable. The painted metal base plate is fitted with clips for the individual parts.
 
Learning Objectives / Experiments

- Determination of the coefficient of friction of a threaded spindle with
  + a cast iron nut
  + a bronze nut
  + a plastic nut
- Determination of the respective thread efficiency
 
Features
 
* Unit for determining the thread efficiency of different
  materials

Specification
 
[1] Benchtop experiment on thread efficiency with different materials
[2] 2 trapezoidal threaded spindles with different thread pitches
[3] 4 different nuts
[4] Steel plate and 2 additional weights for axial load
[5] Spring balance, cord and pulley  to apply turning moment
 
Technical Data

Spindle threads
- TR30x6
- TR30x12P6
Nuts
- 3x single lead (cast iron, bronze, plastic)
- 1x double lead (cast iron)
Steel plate
- diameter: D=140mm
- weight: 30N
Load weights: 1x 10N and 1x 20N
Spring balance: 0...5N, graduations 0.05N
 
Dimensions and Weight

l x w x h : 300 x 300 x 300 mm
Weight : approx. 15 kg

Scope of Delivery

1 complete experimental apparatus
1 instruction manual

Order Details

040.31000  TM 310  Thread Efficiency Testing
                     Equipment

Alternative products
 
TM 320 -- Screw Tester

SELKA GmbH, Hamburg
Grindelallee 188, 20144 Hamburg / Germany
Tel.: + 49 (0) 40 343453 |  Fax: +49 (0) 40 63657075
E-Mail:
info@selkagmbh.com   |  Internet: http://www.selkagmbh.com

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