Disc spring

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Disc spring，Disc spring Washer，Butterfly spring，(Belleville spring washers) is especially suitable for narrow space, load a lot of occasions. Disc the spring can be divided into general the Disc the spring, slotted shape the Disc spring（The diaphragm spring）、Trapezoidal cross sectionDisc spring、Disc spring、Preload the Disc Spring、Dish LockwashersEtc.

Disc spring main types: (1) common the Disc the spring, trapezoidal cross section Disc the spring, the Disc the spring, tapered trapezoidal cross-section: The shape and structure, and a wider application. It can be a single, used together, the composite portfolio or composite composition of the disc spring group, to withstand a static load or variable load for heavy machinery and aircraft, artillery and other weapons as a strong buffer and damping spring. (2) of The diaphragm spring: mainly used in automotive clutches by the separation of the means and the two parts of the disc spring. (3) wave washer: mechanical seal widely used, further development of springs for the spiral waveform. (4) slotted shaped the Disc the spring: Usually used in the clutch, such as lathes, automobiles and tractors, and other clutch. (5) round plate-shaped Disc the spring: the cross-section of the circular plate-shaped, under load, deformation and cut cone. Simple structure, the stiffness for the special requirements of the occasion. (6) Spiral Disc spring: The dual nature of the Disc spring and coil spring， You can get different stiffness requirements.Cylindrical spring (7) waveform (wave spring): the use of overlapping wave washer into a cylindrical, you can get a larger deformation。

HENRYDisc spring

HENRYDisc spring:HENRY Disc spring (High performance)、HENRY disc spring (for flange mounting, stainless steel), HENRY disc spring (for flange mounting, high-carbon just material), HENRY disc spring (metric, high carbon steel and chrome vanadium steel)。

Disc springMaterial

	Spring steel Industrial -1074 - conforming to ASTM-A684, SAE1070-1074 carbon steel
	Alloy steel SAE6150 chrome vanadium steel, INCONEL -750, INCONEL -718, Nimonic 90, Nimonic 90
	Stainless steel Thickness less than or equal to 0.072 in. For industrial use - Type Model 302 The United States Government Administration Society 5 906 the Type Model 302 Chemistry only used only for the chemical industry Over 0.072 inches thick Type 17-7 PH certified to meet the United States Government Administration Society 5528 A286 Alloy302Stainless steel in the AMS 5 528
	If necessary, a certificate of competency can be provided free of charge. Can also provide a chemical analysis certificate, see price book。

Disc spring Specification

HENRYDisc springStandard parameters and specification sheet PDF Download

HENRYDisc spring(High performance)

In accordance with strict quality control, production, according to DIN 2093 load characteristics, HENRY the Disc spring applies a high degree of anti-fatigue applications。

Material

A group of spring is made ??of high carbon steel piece, in line with the German standard CK67 to BS 1 449, Part 1 CS70 (1972) and American Standard steel AISI 1070 Material thickness less than 1mm。

The two groups of springs made ??of alloy steel, in line with European standards and German standards, 50 of Cr the V4, American standard AISI 6150, the Material thickness from 1mm to 6mm。

Manufacture

A group of spring through the machining, but the rounded edge。
Spring of inner and outer diameter machining, all edges rounded。

All disc springs are austenite, resulting in optimization of mechanical properties (hardness / ductility)。

Final surface treatment

Phosphate treated and painted oil treatment, electroplating, electrophoresis, Dacromet, Geomet and other surface treatment processes。

If necessary, can provide。

In addition to the standing the Disc, the standards listed in the spring, according to special orders, but also the spring of the following range: center size or diameter of which exceeds 100 mm according to DIN 2093 Disc the spring

Bearing dimensions conform to international standards bearing the Disc the spring preload。

The Disc the spring can be ordered with the state of nature, in accordance with DIN 2093 standard, as well as by chemical methods to achieve the black coating Road at the end as a standard paint color supplement. Cadmium plated and galvanized springs are more suitable for corrosive environment. In addition, for high temperature and extremely corrosive occasions, you can useStainless steel The material of the disc spring。

According to customer requirements, the delivery of the Disc the spring time variable。

Material

	Spring steel Industrial -1074 - conforming to ASTM-A684
	Stainless steel Thickness less than or equal to 0.072 in. For industrial use - Type Model 302 The United States Government Administration Society 5 906 the Type Model 302 Chemistry only used only for the chemical industry Over 0.072 inches thick Type 17-7 PH certified to the AMS 5 528 in accordance with the United States Government Administration Society 5528
	If necessary, a certificate of competency can be provided free of charge. Can also provide a chemical analysis certificate, see price book。

Tolerance
For information about tolerance, and my company's engineering department contact。

For example

Use the number B1250-040 parts, and estimate the deflection of the load 75%。

h = H - t = 0.082 - 0.040 = 0.042

h ÷ t = 0.042 ÷ 0.040 = 1 approx.

Can be drawn under the curve in Figure 2, h = t ", the deflection for 75% of the load pressure load of the usual 87%. Can be drawn from the table, the pressure calculation of the usual load of 330 lb.; .87 x 330 = 287 lb. The dotted line in Figure 2 shows the deflection of more than 75% load, the load characteristics of this region is not very reliable, because part of the washer is pushed to the lowest point。

Combination of the Disc the spring
Single Disc spring deflection is always relatively small, which is usually necessary to combine many springs. Will the Disc the spring stack, its deflection proportional to the number of springs, the load remains the same with the single spring load。

In order to increase the load, the spring will be shown in Figure 1 as parallel stacked. In theory, the load rate of increase is proportional to the number of spring. But the friction between the spring caused by the load-deflection curve is a significant "lag" (see Figure 3). This figure shows the system out of use of the B1000,-035 components in the case of laboratory equipment without vibration test curve. "Lag" the width of the ring should be required 6% of each parallel superimposed spring, but it may be affected by the impact of lubricants and surface coatings to change, may also close to the surface of the friction changes in its mechanical lifetime. Five parallel experimental curves in Figure 3 also shows that the additional deflection of the spring sets smaller. Graph in Figure 3 is to be marked to show the load and deflection of a single spring in the spring stack。

The spring of the stack can be installed in the spring pole or on the cylindrical sleeve. In dynamic applications, should guide the hardness increases to a minimum the Rockwell C48. Similarly, the hardness increases the flat end plate should also be added to prevent the recessed adjacent parts。

HENRYDisc spring(For flange mounting，Stainless steel材质)

Disc spring designed to offset the thermal expansion and bolt connections related to mechanical vibration. Typical uses include: valves, pipe connections, connect pump, pressure bonding. Have these spring package is removed in the production process。

Material

	Stainless steel Commercial - Model 17-7PH
	17-7PH maximum use temperature of 570 degrees Fahrenheit (300 degrees Celsius)
	Certificate of chemical analysis to an extra charge

Load tolerance
Load tolerances for the values ??shown in plus / minus 20.0%

HENRYDisc spring(For flange mounting，High-carbon material just )

HENRY high load the Disc spring with a much larger load than a similar diameter standard washers. Package on these washers have been removed in the production process, because the vast majority of applications belong to the static。

Material

	When used in the production of processed carbon steel C1070-C1075 or chrome vanadium steel。
	Certificate of chemical analysis require additional charges。

Load
The pressure usually reaches the maximum load. Load calculated values。

HENRY the Disc spring (the metric system, high-carbon steel and chrome vanadium steel material)

All the HENRYDisc spring (disc springs, disc washers) manufacturing to meet the European Din2093 specifications. The performance of these designs are equally stable, the town of Jiang Hengli spring has been sold in the European market for many years。

Additional Dimensions are available upon request

Material

	Material thickness less than 1.25mm-Carbon Steel per C1074 - 1075。
	Material thickness greater than or equal to 1.25mm
	Chrome vanadium steel per the SAE 6150
	Certificate of chemical analysis to an extra charge。

Disc the spring in the stack
Sequence or parallel stacking the Disc spring (disc springs, disc washers) can be attached to the load or deflection。

Load tolerance

Diameter tolerance I.D. - O.D. + 0.013 mm - 0.077 mm
MaterialThickness of less than 1.25 mm.+ 25.0% - 7.5%
1.25 mm - 3.0 mm, + 15.0% - 7.5%
3.1 mm - 6.0 mm, + 10.0% - 5.0%

Special Order the Disc the spring (disc springs, disc washers, Belleville spring washers) service

If you need a special disc spring can not be found in the above page, please contact us, we will provide you customized.Similarly, if you need special processing or handling of your HENRY components please contact us.

For design and application assistance, please contact the town of Jiang Hengli spring engineering team (4001159699 )。