Manufacturer of Plastic Flat Washers - Spring Washer And Flat Washer – Chuanyi

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Manufacturer of Plastic Flat Washers - Spring Washer And Flat Washer – Chuanyi Detail:

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A ring split at one point and bent into a helical shape. This causes the washer to exert a spring force between the fastener’s head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation. Applicable standards are ASME B18.21.1, DIN 127 B, and United States Military Standard NASM 35338 (formerly MS 35338 and AN-935).

Spring washers are a left hand helix and allow the thread to be tightened in a right hand direction only, i.e. a clockwise direction. When a left hand turning motion is applied, the raised edge bites into the underside of the bolt or nut and the part that it is bolted to, thus resisting turning. Therefore, spring washers are ineffective on left hand threads and hardened surfaces. Also, they are not to be used in conjunction with a flat washer under the spring washer, as this isolates the spring washer from biting into the component that will resist turning.

The benefit of spring lock washers lies in the trapezoidal shape of the washer. When compressed to loads near the proof strength of the bolt, it will twist and flatten. This reduces the spring rate of the bolted joint which allows it to maintain more force under the same vibration levels. This prevents loosening.

APPLICATIONS:

The spring washer prevents nuts and bolts from turning, slipping and coming loose because of vibration and torque. Different spring washers perform this function in slightly different ways, but the basic concept is to hold the nut and bolt in place. Some spring washers achieve this function by biting into the base material (bolt) and the nut with their ends.

Spring washers are commonly used in applications involving vibration and possible slippage of fasteners. Industries that commonly use spring washers are transportation related (automotive, aircraft, marine). Spring washers may also be used in household appliances such as air handlers and clothes washers (washing machines).

Dk 2 2.5 3 4 5 6 8 10 12 (14)
d Min 2.1 2.6 3.1 4.1 5.1 6.2 8.2 10.2 12.3 14.3
  Max 2.3 2.8 3.3 4.4 5.4 6.7 8.7 10.7 12.8 14.9
h   0.6 0.8 1 1.2 1.6 2 2.5 3 3.5 4
  Min 0.52 0.7 0.9 1.1 1.5 1.9 2.35 2.85 3.3 3.8
  Max 0.68 0.9 1.1 1.3 1.7 2.1 2.65 3.15 3.7 4.2
n Min 0.52 0.7 0.9 1.1 1.5 1.9 2.35 2.85 3.3 3.8
  Max 0.68 0.9 1.1 1.3 1.7 2.1 2.65 3.15 3.7 4.2
H Min 1.2 1.6 2 2.4 3.2 4 5 6 7 8
  Max 1.5 2.1 2.6 3 4 5 6.5 8 9 10.5
Weight≈kg 0.023 0.053 0.097 0.182 0.406 0.745 1.53 2.82 4.63 6.85
dk 16 (18) 20 (22) 24 (27) 30 36 42 48
d Min 16.3 18.3 20.5 22.5 24.5 27.5 30.5 36.6 42.6 49
  Max 16.9 19.1 21.3 23.3 25.5 28.5 31.5 37.8 43.8 50.2
h   4 4.5 5 5 6 6 6.5 7 8 9
  Min 3.8 4.3 4.8 4.8 5.8 5.8 6.2 6.7 7.7 8.7
  Max 4.2 4.7 5.2 5.2 6.2 6.2 6.8 7.3 8.3 9.3
n Min 3.8 4.3 4.8 4.8 5.8 5.8 6.2 6.7 7.7 8.7
  Max 4.2 4.7 5.2 5.2 6.2 6.2 6.8 7.3 8.3 9.3
H Min 8 9 10 10 12 12 13 14 16 18
  Max 10.5 11.5 13 13 15 15 17 18 21 23
Weight≈kg 7.75 11 15.2 16.5 26.2 28.2      

Product detail pictures:

Manufacturer of Plastic Flat Washers - Spring Washer And Flat Washer – Chuanyi detail pictures

Manufacturer of Plastic Flat Washers - Spring Washer And Flat Washer – Chuanyi detail pictures

Manufacturer of Plastic Flat Washers - Spring Washer And Flat Washer – Chuanyi detail pictures


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Persisting in "High high quality, Prompt Delivery, Aggressive Price", we've established long-term cooperation with clients from the two overseas and domestically and get new and old clients' superior comments for Manufacturer of Plastic Flat Washers - Spring Washer And Flat Washer – Chuanyi , The product will supply to all over the world, such as: Berlin, Israel, Luxembourg, We have advanced production technology, and pursuit innovative in goods. At the same time, the good service has enhanced the good reputation. We believe that as long as you understand our product, you need to be willing to become partners with us. Looking forward to your inquiry.
  • The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
    5 Stars By Patricia from Chile - 2018.02.08 16:45
    Timely delivery, strict implementation of the contract provisions of the goods, encountered special circumstances, but also actively cooperate, a trustworthy company!
    5 Stars By Phyllis from Swansea - 2017.11.12 12:31
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