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JMB Series Air Cylinder, Double Acting, Single Rod (JMDBB50-400)

JMB Series Air Cylinder, Double Acting, Single Rod JMDBB50-400

SMC

SMC

Air cylinder with auto switch (built-in magnet).
[Features]
· Air consumption reduced by up to 29% thanks to optimal size selection.
· Reduces labor time: no air cushion adjustment required thanks to non-adjustable air cushion.
· RoHS compliant.
· Mounting: basic type.
· Port thread types: Rc, NPT, G.
· *Not available without magnet.

(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.

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Part Number

Configured Part Number is shown.

JMDBB50-400

Model Number Notation

Model Number Notation

Model Number Notation

JMB Series Air Cylinder, Double Acting, Single Rod Specifications

JMB Series Air Cylinder, Double Acting, Single Rod external appearance 1

JMB Series Air Cylinder, Double Acting, Single Rod external appearance 1

JMB Series Air Cylinder, Double Acting, Single Rod external appearance 2

JMB Series Air Cylinder, Double Acting, Single Rod external appearance 2

ActionDouble acting, single rod
FluidAir
Proof Pressure1.0 MPa
Maximum operating pressure0.7 MPa*1
Minimum operating pressure0.05 MPa
Ambient and Fluid Temperature5 to 60°C
LubricationNot required (non-lubricated)
Piston speed*50 to 500 mm/s*1
Stroke Length Tolerance0 to 2
CushioningNon-adjustable air cushion + rubber bumper
Connection Port Size (Rc, NPT, G)1/8 (bore size 32 mm / 40 mm / 45 mm / 50 mm / 56 mm), 1/4 (bore size 63 mm / 67 mm / 80 mm / 85 mm), 3/8 (bore size 100 mm)
MountingBasic type

*Depending on the system configuration selected, the specified speed may not be satisfied.
*1: The maximum operating pressure and piston speed differ from the MB Series.

Standard Stroke Table

Tube Inner Diameter (mm)Standard Stroke (mm)Max. manufacturable stroke
3225, 50, 75, 100, 125, 150, 175, 200, 250, 300300
4025, 50, 75, 100, 125, 150, 175, 200, 250, 300300
4525, 50, 75, 100, 125, 150, 175, 200, 250, 300300
5025, 50, 75, 100, 125, 150, 175, 200, 250, 300, 350, 400400
5625, 50, 75, 100, 125, 150, 175, 200, 250, 300, 350, 400400
6325, 50, 75, 100, 125, 150, 175, 200, 250, 300, 350, 400400
6725, 50, 75, 100, 125, 150, 175, 200, 250, 300, 350, 400400
8025, 50, 75, 100, 125, 150, 175, 200, 250, 300, 350, 400, 450, 500500
8525, 50, 75, 100, 125, 150, 175, 200, 250, 300, 350, 400, 450, 500500
10025, 50, 75, 100, 125, 150, 175, 200, 250, 300, 350, 400, 450, 500500

Weight Table

 

(Unit: kg)

 

Tube Inner Diameter (mm)324045505663678085100
Basic weightBasic type0.210.300.320.620.690.881.031.541.912.56
Additional weight per 50 mm of stroke0.110.170.180.190.200.200.240.320.380.46

Calculation

Example) JMDBB32-100 (Basic, ø32 [32‑mm diameter], 100 mm stroke)

  • Basic weight: 0.21 (Basic, ø32 [32-mm diameter])
  • Additional weight: 0.11 / 50 stroke
  • Cylinder stroke: 100 stroke

0.21 + 0.11 × 100/50 = 0.43 kg

Allowable Kinetic Energy

Allowable kinetic energy graph

Allowable kinetic energy graph

Example) Find the upper limit of the rod-end load when an air cylinder of ø50 (50-mm diameter) is operated at 300 mm/s.
From a point indicating 300 mm/s on the horizontal axis, extend a line upward and find a point where it intersects with a line for the 50-mm bore size. Extend a line from the intersection to the left and find a load mass of 40 kg.

Allowable Lateral Load at Rod End

Graph of allowable lateral load at rod end

Graph of allowable lateral load at rod end

Drawing

Basic Type: JMDBB

Dimensional drawings: JMDBB

Dimensional drawings: JMDBB

 

(Units: mm)

 

Tube inner diameter
(mm)		Stroke range
(mm)		AALBB1CDEFGHH1JKKAMMMNPSZZ
32Up to 3002219.5421731102489386M5 × 0.85.588M10 × 1.25181/863109
40Up to 3002421482237143299448M5 × 0.88128M14 × 1.5181/862114
45Up to 3002421522241143299448M5 × 0.88128M14 × 1.5181/862114
50Up to 400353260274518381095511M6 × 171611M18 × 1.5181/863129
56Up to 400353265275018381095511M6 × 171611M18 × 1.5181/863129
63Up to 400353270275518386115111M6 × 171611M18 × 1.5221/473135
67Up to 400353275275818386115111M8 × 1.2571611M18 × 1.5221/473135
80Up to 5004037883269224512136213M8 × 1.2571913M22 × 1.5261/483158
85Up to 5004037953274224512136213M10 × 1.2571914M22 × 1.5261/483159
100Up to 50040371104187265010146616M10 × 1.25122314M26 × 1.5283/888168

Auto Switch Connection and Example

Sink Input Specifications

3-wire, NPN

3-wire, NPN

2-wire

2-wire

*Connect according to the applicable PLC input specifications, as the connection method will vary depending on the PLC input specifications.

Source Input Specifications

3-wire, PNP

3-wire, PNP

2-wire

2-wire

*Connect according to the applicable PLC input specifications, as the connection method will vary depending on the PLC input specifications.

Example of AND (Series) and OR (Parallel) Connection

3-wire AND connection for NPN output (using relays)

3-wire AND connection for NPN output (using relays)

*When using solid state auto switches, ensure the application is set up so the signals for the first 50 ms are invalid.

Precautions

  • *1Allowable lateral load: The lateral load that can be applied to the piston rod end is limited. If a cylinder is used with a lateral load over the limit, it may cause air leakage due to abnormal friction of seals, galling of cylinder tubes and pistons, or abnormal friction of the bearing part. The lateral load applied to the piston rod must be within the allowable range indicated in the manufacturer's catalog. If the load exceeds the limit, install a guide or change the bore size to suit the load in order to bring the load within the allowable range.
  • *2Connection with a workpiece: When a workpiece is mounted on the piston rod end, connect them aligning the center of the piston rod and the workpiece. If they are off-center, a lateral load is generated and the phenomena mentioned in *1 may occur. In order not to apply an off-center load, use of a floating joint is recommended.
  • *3Simultaneous use of multiple cylinders: It is difficult to control the speed of pneumatic cylinders. The following conditions cause speed change: change in supply pressure, load, temperature and lubrication, performance difference of each cylinder, deterioration of each part over time, etc. A speed controller can be used to control the speed of multiple cylinders simultaneously for a short period of time; but depending on conditions, it may not work as desired. If multiple cylinders cannot operate simultaneously, unreasonable force is applied to the piston rod because cylinder positions may not be the same. This may cause abnormal friction of seals and bearings, and galling of cylinder tubes and pistons, etc. Do not use an application to operate several cylinders simultaneously by adjusting the cylinder speed. If operating several cylinders simultaneously is inevitable, use a highly rigid guide for the load so that the cylinder is not damaged even when the cylinder output differs slightly.
  • *4 Depending on the system configuration selected, the specified speed may not be satisfied.
  • *5Before using, please refer to the "Safety Precautions," the "Common Precautions," and the "Auto Switch Precautions."
  • *6See the manufacturer's catalog for information other than that above.
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  1. 1
Part Number
JMDBB50-400
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipCylinder (Tube) Inner Diameter
(Ø) 		Stroke
(mm) 		Port thread type Auto Switches Lead Wire The number of the switches

SGD 275.33

1 Piece(s) 32 Day(s) 50400RcNone--

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  1. 1
 

Basic Information

Cylinder Operation Method Double Acting Rod Operation Method Single Rods Main Body Shape Plate Cylinder
Additional Function Standard Environment, Applications Standard Cushion Non-adjustable air cushion + rubber bumper
Operating Pressure(MPa) 0.05 to 0.7 Specifications Built-in magnet Type of Mount Support Basic type

Please check the type/dimensions/specifications of the part JMDBB50-400 in the JMB Series Air Cylinder, Double Acting, Single Rod series.

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Specification/Dimensions

  • Lead Wire

    • 0.5
    • 0.5 (M8 4-pin plug connector)
    • 1
    • 1 (M12 4-pin A-cord [normal-key] plug connector)
    • 3
    • 5

    Clear

  • The number of the switches

    • 1
    • 2
    • 3

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  • type

    • JMDBB

    Clear

  • Cylinder (Tube) Inner Diameter(Ø)

    • 32
    • 40
    • 45
    • 50
    • 56
    • 63
    • 67
    • 80
    • 85
    • 100

    Clear

  • Stroke(mm)

    • 1
    • 3
    • 4
    • 20
    • 25
    • 30
    • 35
    • 40
    • 50
    • 60
    • 65
    • 75
    • 80
    • 100
    • 125
    • 130
    • 150
    • 155
    • 160
    • 175
    • 200
    • 225
    • 250
    • 275
    • 300
    • 320
    • 350
    • 400
    • 450
    • 480
    • 500

    Clear

  • Port thread type

    • G
    • NPT
    • Rc

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  • Auto Switches

    • M9B
    • M9BA
    • M9BAV
    • M9BV
    • M9BW
    • M9BWV
    • M9N
    • M9NV
    • M9NW
    • M9NWV
    • M9PV
    • None

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  • CAD

    • 2D
    • 3D

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Days to Ship

    • All
    • 32 Day(s) or Less
    • 42 Day(s) or Less

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Specify Alterations

Similar Part Numbers

Part Number
JMDBB100-125-M9B
JMDBB100-150
JMDBB100-155
JMDBB50-400-M9B
JMDBB50-400-M9BL
JMDBB50-400-M9BW
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipCylinder (Tube) Inner Diameter
(Ø) 		Stroke
(mm) 		Port thread type Auto Switches Lead Wire The number of the switches

-

1 Piece(s) Quote 100125RcM9B0.52

SGD 380.45

1 Piece(s) 32 Day(s) 100150RcNone--

-

1 Piece(s) Quote 100155RcNone--

-

1 Piece(s) Quote 50400RcM9B0.52

-

1 Piece(s) Quote 50400RcM9B32

SGD 354.55

1 Piece(s) 32 Day(s) 50400RcM9BW0.52

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