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Low Torque Rotary Joint MQR Series

Low Torque Rotary Joint MQR Series

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  • Low Torque Rotary Joint MQR Series
  • Low Torque Rotary Joint MQR Series

A rotary manifold in which the piping ports are aligned in a spiral pattern for easy piping.
[Features]
· Stable rotational torque that is not easily affected by supply pressure or temperature fluctuations.
· There is no change in the rotary torque due to spool sticking to the rotating surface, even after a long periods of non-operation.
· Low rotational torque: 0.003 to 0.50 N·m or less.
· Operating temperature: -10 to +80°C.
· Allowable rotational speed: 200 to 3,000 min-1 (rpm).
[Applications]
· For air supplies to rotational/rocking shafts on metal-seal type turntables, robot arms, etc.

(i)Caution

  • Refer to the catalog for product specs.
  • The product shown in the image may be a representative image. Refer to the catalog for product shapes and types.

PDF

Part Number

Configured Part Number is shown.

Low Torque Rotary Joint Metal Seal Type MQR Series specifications

Specifications

ModelMQR1-M5MQR2-M5MQR4-M5MQR8-M5MQR12-M5MQR16-M5
Number of circuits (number of ports)1 circuit2 circuits4 circuits8 circuits12 circuits16 circuits
Operating fluidAir
Seal structureMetal seal
Guide structureBearing supportBearing support at both ends
Connection port diameterMale thread R1/8M5 × 0.8
Female thread M5 × 0.8
Flow rate characteristicsC0.50 [dm3/(s-bar)]
b0.40
Cv0.17
LubricationNot required
Minimum operating pressure-100 kPa
Maximum operating pressure1.0 MPa
Ambient temperature and
operating fluid temperature Note 1:
-10 to 80°C
Starting rotational torqueNote 2:0.003 N·m or less0.03 N·m or less0.05 N·m or less0.10 N·m or less0.20 N·m or less0.50 N·m or less
Allowable rotational speedNote 5:3,000 min-1 (rpm) or lessNote 3:2,000 min-1 (rpm) or less1,500 min-1 (rpm) or less900 min-1 (rpm) or less600 min-1 (rpm) or less200 min-1 (rpm) or less
Allowable radial load
(Allowable coupling axis reaction)Note 4:
1 N or less15 N or less30 N or less40 N or less50 N or less
Allowable axial load
Weight0.025 kg0.16 kg0.39 kg0.76 kg1.26 kg2.80 kg

Note 1: The temperature 80° includes temperature rises during rotation.
Note 2: The starting rotational torque does not change with the supply pressure or with non-use (remains within starting allowable rotational torque), but it does change with the rotational speed.
Note 3: If using at a speed above 600 min-1 (r.p.m.), ensure rotation is in the direction in which the joint is fastened.
Note 4: Rubber/resin couplings are recommended due to their excellent absorption of off center misalignments, shocks and vibrations.
Note 5: min-1 is the number of rotations per minute.

Mounting bracket

Number of circuitsFlange part number
2 circuitsMQR2-F
4 circuitsMQR4-F
8 circuitsMQR8-F
12 circuitsMQR12-F
16 circuitsMQR16-F

Structural drawing

 
Low Torque Rotary Joint MQR Series: related images

MQR1-M5 structural drawing

Components / (MQR1-M5, 1 circuit)

NumberPart nameMaterialAdditional notes
1BodyStainless steel-
2SpoolSpecial stainless steel-
3SleeveSpecial stainless steel-
4PlateAluminum-
5O-ringH-NBR-
6Retaining ringCarbon steel-
7Retaining ringCarbon steel-
8Radial bearing--
Low Torque Rotary Joint MQR Series: related images

MQR2 to 16-M5 structural drawing

Components / (MQR2 to 16-M5, 2 to 16 circuits)

NumberPart nameMaterialAdditional notes
1BodyAluminum-
2Adapter plateAluminum-
3SpoolSpecial stainless steel-
4SleeveSpecial stainless steel-
5GasketH-NBR-
6Bearing retainerStainless steel16-circuit only
7GasketH-NBR16-circuit only
8PlateAluminum16-circuit only
9FlangeAluminum-
10Parallel pinCarbon steelExcluding 2-circuit
11O-ringH-NBR-
12BoltCarbon steel16-circuit only
13BoltCarbon steel-
14BoltCarbon steel-
15Radial bearing--

Standard Type / Flange Type outline dimensional drawing ('*' indicates the dimensions of the flange type)

Low Torque Rotary Joint MQR Series: related images

MQR1-M5 dimensional drawing (Units: mm)

Low Torque Rotary Joint MQR Series: related images

MQR2-M5 dimensional drawing (Units: mm)

Low Torque Rotary Joint MQR Series: related images

MQR4-M5 dimensional drawing (Units: mm)

Low Torque Rotary Joint MQR Series: related images

MQR8-M5 dimensional drawing (Units: mm)

Low Torque Rotary Joint MQR Series: related images

MQR12-M5 dimensional drawing (Units: mm)

Low Torque Rotary Joint MQR Series: related images

MQR16-M5 dimensional drawing (Units: mm)

Included bracket dimensions / flange

Low Torque Rotary Joint MQR Series: related images

MQR2-F, MQR4-F, MQR8-F, MQR12-F and MQR16-F dimensional drawing (Units: mm)

Refer to the manufacturer's catalog for information not provided above.

Part Number
MQR1-M5
MQR2-M5
MQR4-F
MQR4-M5
MQR12-F
MQR12-M5
MQRF2-M5
MQRF4-M5
MQRF8-M5
MQRF16-M5
Part NumberMinimum order quantityVolume DiscountDays to ShipNumber of Circuits (Number of Ports) Allowable Rotational Speed
(min-1(r.p.m.))
Fitting material Type Nominal of thread Thread size P
1 Piece(s) 31 Day(s) 13000AluminumStandardM5R 1/8
1 Piece(s) 20 Day(s) 22000AluminumStandardM5-
1 Piece(s) 31 Day(s) 4--Mounting support bracket--
1 Piece(s) 20 Day(s) 41500AluminumStandardM5-
1 Piece(s) 31 Day(s) ---Mounting Bracket--
1 Piece(s) 20 Day(s) 12600AluminumStandardM5-
1 Piece(s) 20 Day(s) 22000AluminumFlangeM5-
1 Piece(s) 20 Day(s) 41500AluminumFlangeM5-
1 Piece(s) 20 Day(s) 8900AluminumFlangeM5-
1 Piece(s) 20 Day(s) 16200AluminumFlangeM5-

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