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Cylinder With Lock, Double Acting, Single Rod MNB Series (Part Numbers)

Cylinder With Lock, Double Acting, Single Rod MNB Series

A standard cylinder that can be locked in both directions.
[Features]
· An air cylinder with lock. Suitable for intermediate stops, emergency stops and drop prevention.
· Uses the wedge effect to magnify the force applied to the taper ring and steel balls.
· Can be used from 50 to 1,000 mm/s if within the allowable kinetic energy range.
· High locking efficiency. Structured so as not to be impacted by the quality of the lock-release air.
· Manual override for unlocking.
· High reliability and stable holding force.
*See the SMC catalog for specification details.
*Product pictures are representative images. CAD data is not supported for some model numbers.

(i)Caution

  • ■ SMC Product Line
    Webpages for products currently without individual pages on this site will be released on an ad-hoc basis.
  • Refer to the manufacturer's catalog for specification and material details.
  • Product images may be representative images. Refer to the manufacturer's catalog for shape details.​
  • CAD data is not supported for some model numbers.

PDF

Cylinder With Lock, Double Acting, Single Rod MNB Series Specifications

Cylinder With Lock, Double Acting, Single Rod MNB Series external appearance

Cylinder With Lock, Double Acting, Single Rod MNB Series external appearance

Tube Internal Diameter (mm)16
ActionDouble acting, single rod
LubricationNot required (non-lubricated)
Locking MethodSpring lock (exhaust locking)
Pneumatic (pressurized locking)
Spring/pneumatic combination lock
FluidAir
Proof Pressure1.05 MPa
Maximum operating pressure0.7 MPa
Minimum operating pressure0.08 MPa
Ambient and Fluid TemperatureWithout auto switch: -10°C to 70°C (No freezing)
With auto switch: -10°C to 60°C (No freezing)
Piston Speed*50 to 500 mm/s
CushioningRubber cushion
Stroke Length Tolerance+1.0
0
Mount Support TypeBasic type, axial foot type, rod-end flange type, double clevis type

*Load restrictions exist depending upon piston speed when locked, mounting direction and operating pressure.

Lock Specifications

Tube Inner Diameter (mm)3240506380100
Locking ActionSpring locking (exhaust locking)
Unlocking pressure0.25 MPa or more
Locking Starting Pressure0.20 MPa or less
Maximum Operating Pressure1.0 MPa
Locking DirectionBidirectional
Holding Force (Maximum Static Load) N*5528821,3702,1603,4305,390

*The holding force (maximum static load) indicates the maximum capacity, not the normal holding capacity. Therefore, be sure to select the cylinder upon checking the details in the SMC catalog.

Single Rod Weight Table / Aluminum Tube

 

(Unit: kg)

 

Tube Inner Diameter (mm)3240506380100
Basic weightBasic type1.201.722.764.066.8510.26
Foot type1.301.842.944.327.2810.85
Flange type1.442.043.294.808.3013.57
Single clevis1.451.983.104.697.9613.43
Double clevis type1.461.993.194.858.2513.95
Additional weight per 50 strokeAll mounting brackets0.110.160.260.270.420.56
AccessoriesSingle knuckle joint0.150.230.260.260.600.83
Double knuckle joint (with pin)0.220.370.430.430.871.27

Calculation (Example) MNBB32-100-D (basic type, ø32 mm, 100 st)

  • Basic weight: 1.20 kg (Basic type, ø32 mm)
  • Additional weight: 0.11 kg / 50 stroke
  • Cylinder stroke: 100 stroke

1.20 + 0.11 × 100/50 = 1.42 kg

Construction Principle Drawings

Construction principle drawing (locked state)

Construction principle drawing (locked state)

Construction principle drawing (unlocked state)

Construction principle drawing (unlocked state)

Spring lock (exhaust locking)

The spring force that acts on the taper ring is magnified by a wedge effect, and is conveyed to the numerous steel balls that are arranged in 2 rows. These act on the brake shoe holder and brake shoe, which locks the piston rod by tightening it using a large force.
Unlocking is accomplished when air pressure is supplied to the unlocking port. The brake piston and taper ring oppose the spring force, moving to the right side, and the ball retainer strikes cover section A. The braking force is released as the steel balls are moved away from the taper ring by the ball retainer.

Diagram

Cylinder With Lock, Double Acting, Single Rod MNB Series diagram

Cylinder With Lock, Double Acting, Single Rod MNB Series diagram

NumberPart NameMaterialNotes
1Rod coverAluminum alloyHard anodized aluminum with metallic coating
2Head coverDiecast aluminumChromate with metallic coating
3CoverAluminum alloyHard anodized aluminum with metallic coating
4Cylinder TubingAluminum alloyHard anodized aluminum
5Piston rodCarbon steelHard chrome plated
6PistonAluminum alloyChromate
7Taper RingCarbon steelHeat treated
8Ball RetainerSpecial resin-
9Piston GuideCarbon steelZinc chromate
10Brake Shoe HolderSpecial steelHeat treated
11Release
Piston
ø32 mm, ø80 mm, ø100 mmAluminum alloyChromate
ø40 mm, ø50 mm, ø63 mmHard anodized aluminum
12Release Piston BushingSteel and special resinø32 mm, ø80 mm, ø100 mm only
13Unlocking CamChrome molybdenum steelGlossy chromate
14WasherCarbon steelColorless zinc chromate
15Retainer Pre-Load
Spring
ø32 mmSteel wireZinc chromate
ø40 to 100 mmStainless steel wire-
16Brake SpringSteel wireZinc chromate
17Clip AStainless steel-
18Clip BStainless steel-
19Steel Ball ACarbon steel-
20Steel Ball BCarbon steel-
21Tooth RingStainless steel-
22DamperPolyurethane rubber-
23Type C Retaining Ring for Unlocking Cam ShaftCarbon steel-
24Type C Retaining Ring for Taper RingCarbon steel-
25Brake ShoeSpecial friction material-
26Tie-RodCarbon steelZinc chromate
27BushingResin/Copper alloy (Multiple layers)-
28Cushion RingAluminum alloyAnodized aluminum
29Cushion ValveSteel wire-
30Wear RingResin-
31Unit Holding Tie-RodCarbon steelBright chromate ø80 mm and ø100 mm only
32BC Element--
33Tie-Rod NutCarbon steel-
34Rod End NutCarbon steel-
35Hex Socket Head Cap ScrewChrome molybdenum steelø32 to 63 mm
36Spring Washer for Hex Socket Head Cap ScrewSteel wireø32 to 63 mm
37Retaining RingSteel for spring-
38Piston SealNBR-
39Cylinder Tube GasketNBR-
40Rod Seal ANBR-
41Cushion SealNBR-
42Cushion Valve SealNBR-
43Piston GasketNBR-
44Release Piston SealNBR-
45Rod Seal BNBR-
46Release Piston GasketNBR-
47Piston Guide GasketNBR-
48Unlocking Cam GasketNBR-
 

Dimensional drawing

 

(Units: mm)

 

Basic type (B): MNBB dimensional drawing

Basic type (B): MNBB dimensional drawing

Axial foot type (L): MNBL dimensional drawing

Axial foot type (L): MNBL dimensional drawing

Rod-end flange type (F): MNBF dimensional drawing

Rod-end flange type (F): MNBF dimensional drawing

Head end flange type (G): MNBG dimensional drawing

Head end flange type (G): MNBG dimensional drawing

*See the manufacturer's catalog for dimensional drawings and values other than those provided above.

Part Number
MDNBC50-300-D-Y7BW6
MDNBC50-300-D-Y7BWZ
MDNBC50-300-D-Y59B
MDNBC50-300-D-Y59BL
MDNBC50-350-D
MDNBC50-350-D-Y7BWL
MDNBC50-382-D
MDNBC50-382-D-M9BW
MDNBC50-382-D-M9PW
MDNBC50-400-D-M9BW
MDNBC50-400-D-M9NWL
MDNBC50-400-D-Y7NWL
MDNBC50-600-D
MDNBC50-600-D-M9BL
MDNBC50-850-D-M9BL
MDNBC50TN-250-D
MDNBC63-50-D-A54
MDNBC63-50-D-A543
MDNBC63-50-D-Z73L
MDNBC63-75-D-A54
MDNBC63-75-D-M9BW
MDNBC63-75-D-Y7BW
MDNBC63-90J-D-A54
MDNBC63-100-D-A93L
MDNBC63-105-D
MDNBC63-110-D-A64
MDNBC63-110-D-A64L3
MDNBC63-125-D
MDNBC63-125-D-A54
MDNBC63-125-D-A64
MDNBC63-125-D-M9BWL
MDNBC63-125-D-M9BWL3
MDNBC63-150-D-Z73
MDNBC63-150-D-Z73L
MDNBC63-150K-D-M9NW4
MDNBC63-170-D
MDNBC63-175-D-M9BWL3
MDNBC63-175-D-Y7BW3
MDNBC63-175-D-Y7BW3-XC35
MDNBC63-175-D-Y7BWL3
MDNBC63-200-D-A93L
MDNBC63-200-D-M9B3
MDNBC63-200-D-M9BAL
MDNBC63-200-D-M9BL
MDNBC63-200-D-M9BW
MDNBC63-200-D-M9BWL
MDNBC63-200-D-Y7BW
MDNBC63-200-D-Y59BL
MDNBC63-200-D-Z73
MDNBC63-200-D-Z73S
MDNBC63-220-D-Z73L
MDNBC63-220-D-Z73L3
MDNBC63-230-D
MDNBC63-250-D-F5BAL
MDNBC63-250-D-M9BWL
MDNBC63-250-D-M9P
MDNBC63-250-D-Y7NWZ
MDNBC63-250-D-Y59A
MDNBC63-255-D
MDNBC63-280-D-A93
MDNBC63-300-D-M9B
MDNBC63-300-D-M9BL
MDNBC63-350-D-M9BW
MDNBC63-350-D-M9BWL
MDNBC63-350-D-Y59BL
MDNBC63-400-D-M9BWL
MDNBC63-400-D-M9N
MDNBC63-400-D-Y7NWL
MDNBC63-500-D-A90
MDNBC63-500-D-Y7BW
MDNBC63-500-D-Y7BWL
MDNBC63-500-D-Y59BL
MDNBC63-550-D-A54L
MDNBC63-550J-D-Z73L3
MDNBC63-600-D-M9B
MDNBC63-600-D-M9BL
MDNBC63-600-D-M9BL3
MDNBC63-600-D-M9BWL3
MDNBC63-600-D-M9N
MDNBC63-600-D-M9NWL
MDNBC63-600-D-M9NWZ
MDNBC63-600-D-Y7NWL
MDNBC63-600-D-Y7NWZ
MDNBC63-700-D
MDNBC63-750-D-M9N
MDNBC63-800-D-A93L
MDNBC63TN-125-D
MDNBC63TN-400-D
MDNBC80-50-D-A54Z
MDNBC80-50-D-A54Z3
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipCylinder (Tube) Inner Diameter
(Ø)
Stroke
(mm)
Specifications Port thread type Auto Switches Lead Wire The number of the switches Type of Mount Support Bellows Custom-made Specifications

-

1 Piece(s) Quote 50300Built-in magnetRcY7BW0.56Single clevisNoneNone

-

1 Piece(s) Quote 50300Built-in magnetRcY7BW52Single clevisNoneNone

-

1 Piece(s) Quote 50300Built-in magnetRcY59B0.52Single clevisNoneNone

-

1 Piece(s) Quote 50300Built-in magnetRcY59B32Single clevisNoneNone

7,812,360 IDR

1 Piece(s) 20 Day(s) 50350Built-in magnetRcWithout switch--Single clevisNoneNone

-

1 Piece(s) Quote 50350Built-in magnetRcY7BW32Single clevisNoneNone

-

1 Piece(s) Quote 50382Built-in magnetRcWithout switch--Single clevisNoneNone

-

1 Piece(s) Quote 50382Built-in magnetRcM9BW0.52Single clevisNoneNone

-

1 Piece(s) Quote 50382Built-in magnetRcM9PW0.52Single clevisNoneNone

9,003,960 IDR

1 Piece(s) 31 Day(s) 50400Built-in magnetRcM9BW0.52Single clevisNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcM9NW32Single clevisNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcY7NW32Single clevisNoneNone

8,739,540 IDR

1 Piece(s) 31 Day(s) 50600Built-in magnetRcWithout switch--Single clevisNoneNone

-

1 Piece(s) Quote 50600Built-in magnetRcM9B32Single clevisNoneNone

-

1 Piece(s) Quote 50850Built-in magnetRcM9B32Single clevisNoneNone

-

1 Piece(s) Quote 50250Built-in magnetNPTWithout switch--Single clevisNoneNone

-

1 Piece(s) Quote 6350Built-in magnetRcA540.52Single clevisNoneNone

-

1 Piece(s) Quote 6350Built-in magnetRcA540.53Single clevisNoneNone

-

1 Piece(s) Quote 6350Built-in magnetRcZ7332Single clevisNoneNone

-

1 Piece(s) Quote 6375Built-in magnetRcA540.52Single clevisNoneNone

-

1 Piece(s) Quote 6375Built-in magnetRcM9BW0.52Single clevisNoneNone

-

1 Piece(s) Quote 6375Built-in magnetRcY7BW0.52Single clevisNoneNone

-

1 Piece(s) Quote 6390Built-in magnetRcA540.52Single clevisNylon tarpaulinNone

-

1 Piece(s) Quote 63100Built-in magnetRcA9332Single clevisNoneNone

-

1 Piece(s) Quote 63105Built-in magnetRcWithout switch--Single clevisNoneNone

-

1 Piece(s) Quote 63110Built-in magnetRcA640.52Single clevisNoneNone

-

1 Piece(s) Quote 63110Built-in magnetRcA6433Single clevisNoneNone

-

1 Piece(s) Quote 63125Built-in magnetRcWithout switch--Single clevisNoneNone

-

1 Piece(s) Quote 63125Built-in magnetRcA540.52Single clevisNoneNone

-

1 Piece(s) Quote 63125Built-in magnetRcA640.52Single clevisNoneNone

-

1 Piece(s) Quote 63125Built-in magnetRcM9BW32Single clevisNoneNone

-

1 Piece(s) Quote 63125Built-in magnetRcM9BW33Single clevisNoneNone

-

1 Piece(s) Quote 63150Built-in magnetRcZ730.52Single clevisNoneNone

-

1 Piece(s) Quote 63150Built-in magnetRcZ7332Single clevisNoneNone

-

1 Piece(s) Quote 63150Built-in magnetRcM9NW0.54Single clevisHeat-resistant tarpaulinNone

-

1 Piece(s) Quote 63170Built-in magnetRcWithout switch--Single clevisNoneNone

-

1 Piece(s) Quote 63175Built-in magnetRcM9BW33Single clevisNoneNone

-

1 Piece(s) Quote 63175Built-in magnetRcY7BW0.53Single clevisNoneNone

-

1 Piece(s) Quote 63175Built-in magnetRcY7BW0.53Single clevisNoneWith coil scraper

-

1 Piece(s) Quote 63175Built-in magnetRcY7BW33Single clevisNoneNone

-

1 Piece(s) Quote 63200Built-in magnetRcA9332Single clevisNoneNone

-

1 Piece(s) Quote 63200Built-in magnetRcM9B0.53Single clevisNoneNone

-

1 Piece(s) Quote 63200Built-in magnetRcM9BA32Single clevisNoneNone

-

1 Piece(s) Quote 63200Built-in magnetRcM9B32Single clevisNoneNone

-

1 Piece(s) Quote 63200Built-in magnetRcM9BW0.52Single clevisNoneNone

-

1 Piece(s) Quote 63200Built-in magnetRcM9BW32Single clevisNoneNone

-

1 Piece(s) Quote 63200Built-in magnetRcY7BW0.52Single clevisNoneNone

-

1 Piece(s) Quote 63200Built-in magnetRcY59B32Single clevisNoneNone

-

1 Piece(s) Quote 63200Built-in magnetRcZ730.52Single clevisNoneNone

-

1 Piece(s) Quote 63200Built-in magnetRcZ730.51Single clevisNoneNone

-

1 Piece(s) Quote 63220Built-in magnetRcZ7332Single clevisNoneNone

-

1 Piece(s) Quote 63220Built-in magnetRcZ7333Single clevisNoneNone

-

1 Piece(s) Quote 63230Built-in magnetRcWithout switch--Single clevisNoneNone

-

1 Piece(s) Quote 63250Built-in magnetRcF5BA32Single clevisNoneNone

-

1 Piece(s) Quote 63250Built-in magnetRcM9BW32Single clevisNoneNone

-

1 Piece(s) Quote 63250Built-in magnetRcM9P0.52Single clevisNoneNone

-

1 Piece(s) Quote 63250Built-in magnetRcY7NW52Single clevisNoneNone

-

1 Piece(s) Quote 63250Built-in magnetRcY59A0.52Single clevisNoneNone

-

1 Piece(s) Quote 63255Built-in magnetRcWithout switch--Single clevisNoneNone

-

1 Piece(s) Quote 63280Built-in magnetRcA930.52Single clevisNoneNone

-

1 Piece(s) Quote 63300Built-in magnetRcM9B0.52Single clevisNoneNone

-

1 Piece(s) Quote 63300Built-in magnetRcM9B32Single clevisNoneNone

-

1 Piece(s) Quote 63350Built-in magnetRcM9BW0.52Single clevisNoneNone

-

1 Piece(s) Quote 63350Built-in magnetRcM9BW32Single clevisNoneNone

-

1 Piece(s) Quote 63350Built-in magnetRcY59B32Single clevisNoneNone

-

1 Piece(s) Quote 63400Built-in magnetRcM9BW32Single clevisNoneNone

-

1 Piece(s) Quote 63400Built-in magnetRcM9N0.52Single clevisNoneNone

-

1 Piece(s) Quote 63400Built-in magnetRcY7NW32Single clevisNoneNone

-

1 Piece(s) Quote 63500Built-in magnetRcA900.52Single clevisNoneNone

-

1 Piece(s) Quote 63500Built-in magnetRcY7BW0.52Single clevisNoneNone

-

1 Piece(s) Quote 63500Built-in magnetRcY7BW32Single clevisNoneNone

-

1 Piece(s) Quote 63500Built-in magnetRcY59B32Single clevisNoneNone

-

1 Piece(s) Quote 63550Built-in magnetRcA5432Single clevisNoneNone

-

1 Piece(s) Quote 63550Built-in magnetRcZ7333Single clevisNylon tarpaulinNone

-

1 Piece(s) Quote 63600Built-in magnetRcM9B0.52Single clevisNoneNone

-

1 Piece(s) Quote 63600Built-in magnetRcM9B32Single clevisNoneNone

-

1 Piece(s) Quote 63600Built-in magnetRcM9B33Single clevisNoneNone

-

1 Piece(s) Quote 63600Built-in magnetRcM9BW33Single clevisNoneNone

-

1 Piece(s) Quote 63600Built-in magnetRcM9N0.52Single clevisNoneNone

-

1 Piece(s) Quote 63600Built-in magnetRcM9NW32Single clevisNoneNone

-

1 Piece(s) Quote 63600Built-in magnetRcM9NW52Single clevisNoneNone

-

1 Piece(s) Quote 63600Built-in magnetRcY7NW32Single clevisNoneNone

-

1 Piece(s) Quote 63600Built-in magnetRcY7NW52Single clevisNoneNone

-

1 Piece(s) Quote 63700Built-in magnetRcWithout switch--Single clevisNoneNone

-

1 Piece(s) Quote 63750Built-in magnetRcM9N0.52Single clevisNoneNone

-

1 Piece(s) Quote 63800Built-in magnetRcA9332Single clevisNoneNone

-

1 Piece(s) Quote 63125Built-in magnetNPTWithout switch--Single clevisNoneNone

-

1 Piece(s) Quote 63400Built-in magnetNPTWithout switch--Single clevisNoneNone

-

1 Piece(s) Quote 8050Built-in magnetRcA5452Single clevisNoneNone

-

1 Piece(s) Quote 8050Built-in magnetRcA5453Single clevisNoneNone

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Basic Information

Cylinder Operation Method Double Acting Rod Operation Method Single Rods Main Body Shape Standard
Additional Function With fall prevention function / With Brake / With Intermediate Stop Function Environment, Applications Standard Cushion Air cushion on both sides
Operating Pressure(MPa) 0.08 to 1.0 Locking Direction Bidirectional

Tech Support

Factory Automation, Electronics, Tools, & MRO (Maintenance, Repair and Operations)
Tel:021-8990-4102 / FAX:021-8990-5803
8:30am - 5:30pm (Monday - Friday)