Castors / Vibrations Insulating (Part Numbers - CAD Download)

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MISUMI

[Features] This roller for clean rooms can absorb vibrations even on uneven surfaces.

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CMPR
(Plate Type)

CMPRS
(Plate Type)

CMPG
(Screw-In Type)

CMPGS
(Screw-In Type)

Vibration Damping Casters: Related Image

Main Body		Wheel		Bearing
[M] Material	[S] Surface Treatment	[M] Material	Specific Volume Resistivity	Swiveling Part	Wheel
EN 1.4301 Equiv.	Barrel Grinding	Antistatic Urethane	10⁸Up to 10⁹Ω·cm	Provided	Provided

Specification Table

Part Number	—	Wheel Material
CMPR100	—	S

Main Body Type	Part Number		Wheel Material	H Stroke		d	E₁	E₂	r₁	r₂	Y₁	Y₂	K₁	K₂	B	Applicable Load (N)	Mass (g)
Main Body Type	Type	D	Wheel Material	H₁ (max)	H₂ (min)	d	E₁	E₂	r₁	r₂	Y₁	Y₂	K₁	K₂	B	Applicable Load (N)	Mass (g)
Swivel	CMPR	100	S (Antistatic Urethane)	162	148	8.8	20	34	71	85	71	78	61	46	28	150 or more 300	1100
Swivel	CMPR	125		180	166		25	39	89	103	77	83	77	62	32		1258
Swivel + With Stopper	CMPRS	100		162	148		20	34	95	94	71	78	61	46	28		1212
Swivel + With Stopper	CMPRS	125		180	166		25	39	110	110	77	83	77	62	32		1381

Main Body Type	Part Number		Wheel Material	H Stroke		E₁	E₂	r₁	r₂	Y₁	Y₂	K₁	K₂	B	Applicable Load (N)	Mass (g)
Main Body Type	Type	D	Wheel Material	H₁ (max)	H₂ (min)	E₁	E₂	r₁	r₂	Y₁	Y₂	K₁	K₂	B	Applicable Load (N)	Mass (g)
Swivel Screw-In	CMPG	100	S (Antistatic Urethane)	160	146	20	34	71	85	71	78	61	46	28	150 or more 300	1062
Swivel Screw-In	CMPG	125		178	164	25	39	89	103	77	83	77	62	32		1218
Swivel Screw-In + Stopper	CMPGS	100		160	146	20	34	95	94	71	78	61	46	28		1174
Swivel Screw-In + Stopper	CMPGS	125		178	164	25	39	110	110	77	83	77	62	32		1341

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Part Number
CMPR100-S
CMPR125-S
CMPRS100-S
CMPRS125-S

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Caster Type	[H] Mounting Height (mm)	Stopper	Mounting Hole Pitch, Longitudinal Direction (mm)	Mounting Hole Pitch, Transverse Direction (mm)	Plate Length (mm)	Plate Width (mm)	Thread Dia. M	[D] Wheel Diameter (mm)	Wheel Width B (mm)
114.60 €	1	Available	5 Days	10	Plate Type Swivel	162	Not Provided	82	40	100	58	-	100	28
117.50 €	1	Available	5 Days	10	Plate Type Swivel	180	Not Provided	82	40	100	58	-	125	32
119.01 €	1	Available	5 Days	10	Plate Type Swivel	162	With Rotation Stopper	82	40	100	58	-	100	28
125.69 €	1	Available	5 Days	10	Plate Type Swivel	180	With Rotation Stopper	82	40	100	58	-	125	32

Specifications/Overview

■Yield problems expected with the conventional wheels

(1) Particle Generation of a Conveyor Machine due to Vibration Transmission
When a workpiece is being conveyed into a clean room, casters are traveling over steps or
grating surfaces and vibrations from the floor are transmitted to a cart. Vibrations not only causes dust from casters and a cart but also may possibly transmitting impacts on important workpiece.
　
(2) Generation of Particles due to Vibrations
Vibrations by casters traveling lift dusts around the floor surface and down flow air system may not be able to control the particle amounts.
　
(3) Anti-static Countermeasures
Dusts adhering to the rubber/urethane wheels of conventional casters, which accumulate static electricity generated by friction
between wheels and the floor and may cause a spark discharge.

■Basic Structure of Vibration Damper

The damper is of a double layer structure of a spring within a viscoelastic member.
Shocks received by a caster when going over a stepped terrain are absorbed by a spring,
then dampened by a viscoelastic member.
A New mechanism provides solutions for conventional spring-loaded casters on insufficient vibration damping, and solutions
for the urethane type on degradation-inducing durability losses.
It also provides excellence in safety with no damping gas leaks.

■Effect of Vibration Absorption
Compared with normal casters, the decrease in vibrations has dramatically improved.

[Test Overview]

Casters used: CMPG100-S (Vibration Damping Casters)
Urethane Wheel Diameter ø100
(Normal Caster)

Testing Instrument: JIS B 8923 Compliant with Casters for Industrial Use
Protrusion: Semicircular, R = 2.5 mm
Protrusion Intervals: Per 1 m
Load: 201 N
Running Speed: 4 km/h

■Features of Caster with Vibration Damper
·Protects transported equipment by absorbing and damping vibrations from the floor.
·Controls particulate generation caused by vibrations, and improves production yields.
·Prevents static electricity from being generated on the floor with antistatic wheels.

■Particle Generation Comparison
Compared with normal casters, particle volume is reduced to 1/4.

■Specific Volume Resistivity of Wheels

10⁰	10²	10⁴	10⁶	10⁸	10¹⁰	10¹²	10¹⁴
			Antistatic Urethane 10⁸Up to 10⁹Ω·cm
Electric Conductivity			Antistatic Performance			Insulation

Rubber Wheels

10¹⁵～Ω·cm

■Functional Comparison by Damper Type (Research by MISUMI)

Damper Type	Shock Absorption	Vibration Transmission Time	Allowable Load	Safety	Service Life
No Damper (Normal Caster)	×	×	◎	○	○
Spring	○	×	△	○	△
Urethane Cushioned	○	△	△	△	×
Shock Absorber	○	○	△	×	△
* Casters with Vibration Damper	○	◎	○	○	○

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Basic information

Properties	Electrical Conductivity	Load Range(daN)	Up to 35.00	Allowable Load(daN)	30
Wheel Material	Antistatic Urethane	Wheel Characteristics	Antistatic	Fitting Material	Stainless Steel
Load Category	Light Load	Bearing in Wheel	Provided