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Rubber-metal elements / cylindrical, stepped / external thread on both sides / eyelet plate, stainless steel / CR, NBR conductive / A60

Rubber-metal elements / cylindrical, stepped / external thread on both sides / eyelet plate, stainless steel / CR, NBR conductive / A60

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MISUMI

MISUMI

Highly conductive rubber with stainless steel core is used. The tip of the male thread is slotted and the plate has a slotted hole for easy installation.
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Back to the Category Antivibration Materials

Technical Drawing - Rubber-Metal Elements

Electroconductive Antivibration Rubber Mounts/Both Threaded:Related Image

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Available dimensions and tolerances can be found under the tab More information.

Basic Properties (e.g., material, hardness, coating, tolerance) - Rubber-Metal Elements

■Both Ends Threaded Studs
Type  Material  Hardness  Accessory
Main BodyMetal Fitting
DBGOMAConductive Nitrile RubberEN 1.4301 Equiv.Shore A60Nut, Spring Washer
2 pcs. each
EBGOMAChloroprene Rubber

■Threaded Stud, Plate Mount
Type  Material  Hardness  Accessory
Main BodyMetal Fitting
DBGOMPConductive Nitrile RubberEN 1.4301 Equiv.Shore A60Nut, Spring Washer
1 pc. each
EBGOMPChloroprene Rubber

Further specifications can be found under the tab More information.

Composition of a Product Code - Rubber-Metal Elements

Part Number
DBGOMA15150

General Information - Rubber-Metal Elements

Oscillation damper - stop buffer - vibration damper - rubber metal buffer - rubber metal elements - rubber discs - product assortment

 

Oscillation Damper/Stop Buffer/Vibration Damper Selection Details

- Material: natural rubber (NR), chloroprene rubber (CR), nitrile rubber (NBR), silicone (SI)

- Mounting plate: steel, stainless steel

- Hardness: Shore A45, A60, C19.7, C25.3, C29.8, C30, C38.0, C44, C44.3, C44.5, C50, C52.5

- Properties: weather resistant, water resistant, oil resistant, ozone resistant, electrically conductive

- Height: 3 to 34 mm

- Thread: M4 to M8

- Load: 1.77 N to 1225 N

 

Description/Basics

Rubber metal elements, or also called rubber metal buffers, are generally used for oscillation and vibration damping. They are not only used to reduce structure-borne noise (transmitting vibrations), but also demonstrably reduce noise generation. This property plays an increasingly important role in the industry and mechanical engineering, as noise reduction plays an increasingly important role.

The vulcanized rubber buffers are generally fitted with mounting plates on one side or both sides. The mounting plates are provided with internal threads, external threads or through holes. Depending on the installation requirements, MISUMI offers the appropriate vibration damper.
MISUMI offers vibration-damping rubber in various materials, with different advantages and properties. Not only the respective loads and vibration frequencies must be observed when selecting rubber buffers, but depending on the application the resistance to environmental influences (e.g., oil resistance) also plays an important role. The design of the damping material also influences the damper characteristic, which can develop a degressive or progressive damping effect. It should be noted that vibration dampers do not allow complete isolation and decoupling of vibrations, but this is greatly reduced. You can find further details under the tab More information.

An overview of the different vibration dampers and materials can be found in the selection process as a PDF .

Rubber metal elements are often used to reduce vibration and noise in a wide variety of applications in almost all industries. Motors, pumps, and other vibration generating units are often elastically supported with vibration dampers.

Natural Rubber (NR)
Rubber metal elements made of natural rubber offer the advantage that they form a low heat development (low "heat-build-up" values) during internal creep. However, a vibrating damper made of natural rubber should not come into contact with oil, as this will cause the rubber buffer to swell and become porous, which can reduce its damping properties.

Chloroprene Rubber (CR)
Vibration dampers made of chloroprene rubber have an excellent weather resistance and good oil and ozone resistance. However, rubber buffers made of chloroprene rubber have only limited resistance to water.

Nitrile Rubber (NBR)
Rubber buffers made of nitrile rubber have the advantage of high tear resistance and abrasion resistance. In addition, rubber buffers made of nitrile rubber have good resistance to hydrocarbons, fats and oils. As a result, this material is often used for seals because it also has good temperature resistance. Furthermore, vibration dampers made of nitrile rubber are electrically conductive.

Silicone and Silicone Gel (SI)
Rubber, silicone metal bearings are very temperature-resistant, water-resistant and durable in response to the other materials. Vibration dampers made of silicone rubber also have very good chemical resistance. Silicone is a soft material that has very good damping properties, but can absorb only a small amount of supporting force.
Further information on the hardness of the various rubbers can be found under Rubber Properties as a PDF.

 

Application Examples - Rubber-Metal Elements

Application example - rubber metal buffer with [Aug] plate and internal threads - vibration dampers on base plates

Application example: vibration damper internal thread and eye plate
(1) Screw , (2) mounting plate , (3) screw

Application example - rubber metal buffer with [Aug] plate and external thread - vibration damper on base plates

Application example: vibration damper external thread and eye plate
(1) Nut , (2) mounting plate , (3) screw

Application example - rubber metal buffer with external thread and internal thread

Application example: threaded vibration absorber
(1) Screw , (2) mounting plate , (3) base plate (meviy), (4) nut

Application example - rubber metal buffer with two-sided internal thread

Application example: vibration absorber with external thread
(1) Nut , (2) mounting plate , (3) base plate (meviy)

 

Industrial Applications

3D printer industry
Automotive industry
Pharmaceutical industry
Packaging industry

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  1. 1
Part Number
DBGOMA12160
DBGOMA15150
DBGOMA20150
DBGOMA20200
DBGOMA25180
DBGOMA30180
DBGOMA40250
DBGOMP20150
DBGOMP20200
DBGOMP25180
DBGOMP30180
DBGOMP40250
EBGOMA12160
EBGOMA15150
EBGOMA20150
EBGOMA20200
EBGOMA25180
EBGOMA30180
EBGOMA40250
EBGOMP20150
EBGOMP20200
EBGOMP25180
EBGOMP30180
EBGOMP40250
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSMaximum Operating Load
(N) 		Properties Connection Type Connecting Screw M Height H
(mm) 		Spring Constant
(N/mm) 		Material Operating Temperature Range
(°C) 		Applied Load
(N) 		O.D. D
(Ø)

10.07 €

1 Available 5 Days -78Electrical ConductivityBoth Ends Threaded Studs51641[Nitrile Rubber] Conductive Nitrile Rubber-30～7812

10.20 €

1 Available 5 Days -130Electrical ConductivityBoth Ends Threaded Studs51574[Nitrile Rubber] Conductive Nitrile Rubber-59～13015

10.71 €

1 Available 5 Days -191Electrical ConductivityBoth Ends Threaded Studs615130[Nitrile Rubber] Conductive Nitrile Rubber-98～19120

10.96 €

1 Available 5 Days -98Electrical ConductivityBoth Ends Threaded Studs62078[Nitrile Rubber] Conductive Nitrile Rubber-59～9820

12.22 €

1 Available Same day

Stock

-250Electrical ConductivityBoth Ends Threaded Studs618200[Nitrile Rubber] Conductive Nitrile Rubber-112～25025

12.98 €

1 Available Same day

Stock

-450Electrical ConductivityBoth Ends Threaded Studs818310[Nitrile Rubber] Conductive Nitrile Rubber-226～45030

17.00 €

1 Available 5 Days -930Electrical ConductivityBoth Ends Threaded Studs825340[Nitrile Rubber] Conductive Nitrile Rubber-196～93040

10.59 €

1 Available 5 Days -191Electrical ConductivityThreadeds, Plate Stopper Type615130[Nitrile Rubber] Conductive Nitrile Rubber-98～19120

10.83 €

1 Available 5 Days -98Electrical ConductivityThreadeds, Plate Stopper Type62078[Nitrile Rubber] Conductive Nitrile Rubber-59～9820

12.46 €

1 Available Same day

Stock

-250Electrical ConductivityThreadeds, Plate Stopper Type618200[Nitrile Rubber] Conductive Nitrile Rubber-112～25025

14.48 €

1 Available 5 Days -450Electrical ConductivityThreadeds, Plate Stopper Type818310[Nitrile Rubber] Conductive Nitrile Rubber-226～45030

18.63 €

1 Available 5 Days -930Electrical ConductivityThreadeds, Plate Stopper Type825340[Nitrile Rubber] Conductive Nitrile Rubber-196～93040

9.58 €

1 Available 5 Days 1078Durability / Weather Resistance / Water Resistance / Oil Resistance / Ozone ResistanceBoth Ends Threaded Studs51641[Chloroprene] Chloroprene Rubber-20～7030～7812

9.70 €

1 Available 5 Days 10130Durability / Weather Resistance / Water Resistance / Oil Resistance / Ozone ResistanceBoth Ends Threaded Studs51574[Chloroprene] Chloroprene Rubber-20～7059～13015

10.20 €

1 Available 5 Days 10191Durability / Weather Resistance / Water Resistance / Oil Resistance / Ozone ResistanceBoth Ends Threaded Studs615130[Chloroprene] Chloroprene Rubber-20～7098～19120

10.45 €

1 Available 5 Days 1098Durability / Weather Resistance / Water Resistance / Oil Resistance / Ozone ResistanceBoth Ends Threaded Studs62078[Chloroprene] Chloroprene Rubber-20～7059～9820

11.46 €

1 Available 5 Days 10250Durability / Weather Resistance / Water Resistance / Oil Resistance / Ozone ResistanceBoth Ends Threaded Studs618200[Chloroprene] Chloroprene Rubber-20～70112～25025

12.46 €

1 Available 5 Days 10450Durability / Weather Resistance / Water Resistance / Oil Resistance / Ozone ResistanceBoth Ends Threaded Studs818310[Chloroprene] Chloroprene Rubber-20～70226～45030

16.38 €

1 Available 5 Days 10930Durability / Weather Resistance / Water Resistance / Oil Resistance / Ozone ResistanceBoth Ends Threaded Studs825340[Chloroprene] Chloroprene Rubber-20～70196～93040

10.07 €

1 Available 5 Days 10191Durability / Weather Resistance / Water Resistance / Oil Resistance / Ozone ResistanceThreadeds, Plate Stopper Type615130[Chloroprene] Chloroprene Rubber-20～7098～19120

10.33 €

1 Available 5 Days 1098Durability / Weather Resistance / Water Resistance / Oil Resistance / Ozone ResistanceThreadeds, Plate Stopper Type62078[Chloroprene] Chloroprene Rubber-20～7059～9820

11.97 €

1 Available 5 Days 10250Durability / Weather Resistance / Water Resistance / Oil Resistance / Ozone ResistanceThreadeds, Plate Stopper Type618200[Chloroprene] Chloroprene Rubber-20～70112～25025

13.60 €

1 Available 5 Days 10450Durability / Weather Resistance / Water Resistance / Oil Resistance / Ozone ResistanceThreadeds, Plate Stopper Type818310[Chloroprene] Chloroprene Rubber-20～70226～45030

17.51 €

1 Available 5 Days 10930Durability / Weather Resistance / Water Resistance / Oil Resistance / Ozone ResistanceThreadeds, Plate Stopper Type825340[Chloroprene] Chloroprene Rubber-20～70196～93040

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  1. 1

Back to the Category Antivibration Materials

Technical Drawing - Rubber-Metal Elements

Electroconductive Antivibration Rubber Mounts/One End Threaded/One End Tapped:Related Image
Open the technical drawing in the new window

Specification Tables - Rubber-Metal Elements

Part NumberD1D2H1H2t ℓ SM
(Coarse Thread)		W1xW2hPAllowable Load N {kgf}Working Load N {kgf}Spring Constant N/mm {kgf/cm}X Direction Allowable Load N {kgf}Rigidity Ratio kx/kz
TypeNo.
Both Ends Threaded Studs
DBGOMA
EBGOMA

Threaded Stud, Plate Mount
DBGOMP
EBGOMP		1216012101612.02.013115---110 {11}30~78 {3~8}41 {42}25 {2.5}0.2
1515015121511.01612160 {16}59~130 {6~13}74 {75}34 {3.4}0.2
20150201513649x206.5x8.5
Slotted Hole		36280 {29}98~191 {10~19}130 {130}69 {7}0.15
202002016.0180 {18}59~98 {6~10}78 {80}49 {5}0.19
2518025201813.42.3201656x2542490 {50}112~250 {11~25}200 {200}98 {10}0.16
3018030251813.42320862x3048890 {91}226~450 {23~46}310 {310}170 {17}0.16
4025040342520.4332576x409x11
Slotted Hole		601810 {185}196~930 {20~95}340 {340}360 {37}0.17
  Selection Methods, Mounting Methods, Properties, Cautions  >>  P.460
■Electroconductive Rubber Characteristics
ItemUnitValue
Specific Gravity-1.31
HardnessShore A60
Elongation%545
Tensile StrengthMPa11.8
Specific Volume ResistivityΩ • cm8x103
  Measuring Method: JIS K 6301
  The above values are not guaranteed values but an example of measured values.

More Information - Rubber-Metal Elements

Electroconductive Antivibration Rubber Mounts/Both Threaded:Related Image
Electroconductive Antivibration Rubber Mounts/Both Threaded:Related Image
■Features
[DBGOMA, DBGOMP, DBGONA, DBGONP]
· The problem of antivibration rubber, susceptibility to insulation has been solved by the high electroconductive rubber with volume resistivity value of 103Ω · cm.
[EBGOMA, EBGOMP, EBGONA, EBGONP]
· High quality product made of chloroprene rubber excellent in durability
[Common]
· Mounting studs are made of EN 1.4301 Equiv. The tips are slotted and the mounting holes on flanges are also slotted for ease of mounting.
 

Basic information

Type Antivibration Rubbers Application Vibration Control Hardness(Shore A) 60
Antivibration Rubber Type Round Type Body Color Black

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Basic Attributes

  • Maximum Operating Load(N)

    • 78
    • 98
    • 130
    • 191
    • 250
    • 450
    • 930

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  • Properties

    • Durability
    • Weather Resistance
    • Water Resistance
    • Oil Resistance
    • Ozone Resistance
    • Electrical Conductivity

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  • Connection Type

    • Both Ends Threaded Studs
    • Threadeds, Plate Stopper Type

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  • Connecting Screw M

    • 5
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    • 8

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  • Height H(mm)

    • 15
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    • 18
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    • 25

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  • Spring Constant(N/mm)

    • 41
    • 74
    • 78
    • 130
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    • Chloroprene
      • Chloroprene Rubber
    • Nitrile Rubber
      • Conductive Nitrile Rubber

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  • O.D. D(Ø)

    • 12
    • 15
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    • 30
    • 40

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    • DBGOMA
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    • EBGOMA
    • EBGOMP

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Optional Attributes

Frequently Asked Questions (FAQ)

Question:

Can the rubber buffers be subjected to tension?
Answer:

Rubber buffer or rubber metal elements should not be subjected to pull. In this case, the vulcanized holding plate may be separated from the damping material. Therefore, vibration dampers should only be used in designs that subject it to pressure. This ensures that the vibration damper does not suffer a fatigue fracture.
Question:

Do you have oil-resistant rubber buffers?
Answer:

In an environment with oil-containing substances, a rubber metal buffer made of nitrile rubber (NBR) can be used. Since this material is oil-resistant, it is quite often used for seals. Other materials can swell up in contact with greases or oils, which will cause the rubber buffer to fail and cause it to lose its damping properties.
Question:

Which rubber buffer can be used in water vapour?

Answer:

A rubber metal buffer made of silicone rubber or silicone gel can be used here. It is highly resistant to water and offers very good damping properties. Similar to sanitary systems, this material is very resistant to aging, chemicals and temperature.
Question:

What is the permissible operating temperature of rubber metal silicone buffers?
Answer:

The maximum temperature resistance of silicone rubber buffers is at approx. 200°C. It is recommended to check the temperature resistance of the respective product. This can be found under the More Information tab.

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