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Air Gripper, Wedge Cam Operation, Slide Guide, 2-Finger Type, MHK2 Series (MHK2-12S1)

SMC

The wedge cam structure enables high-precision and high-rigidity.
Features a dust cover for improved load resistance and resistance to adverse environments.
[Features]
· Can be equipped with an auto switch.
· Includes a pinhole on the top surface for positioning.
· Features a built-in adjustment needle for adjusting the finger speed.
· High repeatability: ±0.01 mm.
· 2 types of finger material are available for use in different applications.
· 3 types of dust cover are available for use in different applications.
· Long stroke type now as standard.

(i)Caution

Refer to the catalog for details on product specifications.
Product images may be representative. Refer to the manufacturer's catalog for details.

Part Number

Configured Part Number is shown.

MHK2-12S1

Product Specifications
Part Numbers
Catalog

MHK2 Series 2-Finger Type Wedge Cam Operation Slide Guide Air Gripper Features

	Single acting	Normally closed	0.25 to 0.6 MPa
Fluid			Air
Operating pressure	Double acting		0.1 to 0.6 MPa
	Single acting	Normally open	0.25 to 0.6 MPa
Ambient and fluid temperature			-10 to +60°C
Repeatability			±0.01 mm
Lubrication			Non-lube
Action			Double acting / single acting
Auto switch (option) *			Solid state auto switch (3-wire, 2-wire)

*See pp. 797–850 in the manufacturer's catalog for detailed specifications of auto switches.

Model

Model	Action		Cylinder inner diameter mm	Maximum operating frequency c.p.m	Effective gripping force per finger *1 N	Opening/closing stroke mm (L₂-L₁)	Width at closing mm (L₁)	Width at opening mm (L₂)	Weight g
MHK2-12D□	Double acting		12	120	Outer-diameter grip: 15 Inner-diameter grip: 16	4	9	13	75
MHK2-16D□			16		Outer-diameter grip: 31 Inner-diameter grip: 36	6	14.6	20.6	113
MHK2-20D□			20		Outer-diameter grip: 31 Inner-diameter grip: 56	10	16	26	235
MHK2-25D□			25		Outer-diameter grip: 80 Inner-diameter grip: 86	14	19	33	440
MHK2-12S□	Single acting	Normally open	12		9	4	9	13	76
MHK2-16S□			16		23	6	14.6	20.6	114
MHK2-20S□			20		34	10	16	26	237
MHK2-25S□			25		58	14	19	33	443
MHK2-12C□		Normally closed	12		12	4	9	13	76
MHK2-16C□			16		25	6	14.6	20.6	115
MHK2-20C□			20		44	10	16	26	237
MHK2-25C□			25		73	14	19	33	443

*1 Values based on pressure of 0.5 MPa, gripping point L = 20 mm.
For the single acting normally open type, the outer-diameter gripping force applies. For the single acting normally closed type, the inner-diameter gripping force applies.
For the gripping force at each gripping point, refer to the data in "Gripping Point and Effective Gripping Force" on pp. 553–557 of the manufacturer's catalog.

Structure drawing

Double acting

Fingers open structure drawing

Fingers closed structure drawing

Single acting

Normally open structure drawing

Normally closed structure drawing

Component parts

No.	Description	Material	Note
1	Body	Aluminum alloy	Hard anodizing
2	Piston	Aluminum alloy	Hard anodizing
3	Cam	Carbon steel	Heat treated, specially treated
4	Finger	Carbon steel	Heat treated, specially treated
4	Finger	Stainless steel SUS304	Option
5	Cap	Aluminum alloy	Hard anodizing
6	Piston bolt	Stainless steel	-
7	Rubber magnet	Synthetic rubber	-
8	Needle ass’y	-	-
9	N.O. spring	Piano wire	-
10	Plug	Brass	Electroless nickel plating
11	Exhaust plug	Brass	Electroless nickel plating
12	N.C. spring	Piano wire	-
13	Plug ass’y	Brass	Electroless nickel plating
14	Exhaust plug A	Brass	Electroless nickel plating
15	Type C retaining ring	Carbon steel	Nickel plating

MHK2 Replacement Parts

Part name			MHK2-12□	MHK2-16□	MHK2-20□	MHK2-25□	Main parts
Gasket set			MHK12-PS	MHK16-PS	MHK20-PS	MHK25-PS	(16) (17) (18) (19)
Piston ass’y			MHK-A1201	MHK-A1601	MHK-A2001	MHK-A2501	(2) (6) (7)
Cam			P3318103	P3318203	P3318303	P3318403	(3)
Finger	Material	Carbon steel	P3318104	P3318204	P3318304	P3318404	(4)
Finger	Material	Stainless steel	P3318104-1	P3318204-1	P3318304-1	P3318404-1	(4)
Needle ass’y			MHK-A1206				(8)
Dust cover	Material	CR	MHK2-J12	MHK2-J16	MHK2-J20	MHK2-J25	(20)
		FKM	MHK2-J12F	MHK2-J16F	MHK2-J20F	MHK2-J25F
		Silicone rubber	MHK2-J12S	MHK2-J16S	MHK2-J20S	MHK2-J25S

*Order 2 pieces per finger unit.

Replacement part / grease pack part number: MH-G01 (30 g)

External dimensional drawing

(Unit: mm)

MHK2-12□ / standard type external dimensional drawing

*In the case of single acting, one side port is a breathing hole. The finger speed adjustment needle is a plug.

(Unit: mm)

Groove position for auto switch mounting

(Unit: mm)

MHK2-16□ / standard type external dimensional drawing

*In the case of single acting, one side port is a breathing hole. The finger speed adjustment needle is a plug.

(Unit: mm)

Groove position for auto switch mounting

(Unit: mm)

MHK2-20□ / standard type external dimensional drawing

*In the case of single acting, one side port is a breathing hole. The finger speed adjustment needle is a plug.

(Unit: mm)

Groove position for auto switch mounting

*For other specifications and dimensions, refer to the manufacturer's catalog.

: 30; 45; 60

Part Number
MHK2-12S1

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Type	Gripping Methods	Number of Fingers	Main Body Shape	Operation Method	Dimensions when open (mm)	Dimensions when closed (mm)	Gripping Force (when 0.5Mpa at opening) (N)	Gripping Force (when 0.5Mpa at closing) (N)	Environment, Applications	Additional Functions	Stroke Adjustment Mechanism	Cylinder internal diameter (mm)	Auto switch	Number of switches	Lead wire length	Made to order specifications	Connector type for gripper opening/closing	Dust cover materials	Specifications	Finger materials
	-	1 Piece(s)		Quote	[Main Body] Main body	Pinch, Parallel Type	2 pcs.	Square Shape	Single Acting Type (Normally Open)	13	9	-	9	Dust Resistant / Drip Resistant	High Accuracy	Not Provided	12	Without auto switch (built-in magnet)	None	None	None	None	Chloroprene rubber (CR)	Standard type	Stainless steel

Please check the type/dimensions/specifications of the part MHK2-12S1 in the Air Gripper, Wedge Cam Operation, Slide Guide, 2-Finger Type, MHK2 Series series.

Configure

1 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Gripping Force (when 0.5Mpa at opening)(N)
11

12

16

22

25

30

36

40

44

53

56

63

73

86

90
Clear
Environment, Applications
- Dust Resistant
- Drip Resistant
Clear
type
- MHK2
- MHKL2
Clear
Type
- Main Body
  - Main body
- Related Components
  - Related components
Clear
Gripping Methods
- Pinch, Parallel Type
- Open, Parallel Type
Clear
Number of Fingers
- 2 pcs.
Clear
Main Body Shape
- Square Shape
Clear
Operation Method
- Double Acting Type
- Single Acting Type (Normally Open)
- Single Acting Type (Normally Closed)
Clear
Dimensions when open(mm)
13

20

20.6

26

28.6

33

34

41
Clear
Dimensions when closed(mm)
9

14.6

16

19
Clear
Gripping Force (when 0.5Mpa at closing)(N)
9

14

15

17

23

27

31

32

34

45

46

53

58

79

80
Clear
Additional Functions
- High Accuracy
Clear
Stroke Adjustment Mechanism
- Not Provided
Clear
Cylinder internal diameter(mm)
12

16

20

25
Clear
Auto switch
M9B

M9BA

M9BAV

M9BV

M9BW

M9BWV

M9N

M9NA

M9NAV

M9NV

M9NW

M9NWV

M9P

M9PA

M9PAV

M9PV

M9PW

M9PWV

Without auto switch

Without auto switch (built-in magnet)
Clear
Number of switches
1 pc.

2 pcs.

3 pcs.

4 pcs.

5 pcs.

6 pcs.

None
Clear
Lead wire length
- 0.5 m
- 1 m
- 3 m
- 5 m
- None
Clear
Made to order specifications
- Heat resistance (100°C)
- Heat resistance specification (100°C)
- Closing direction spring assist
- Dust cover adhesion
- Dust cover adhesion / finger part only
- Dust cover caulking
- Dust cover caulking / finger part only
- Dust cover caulking / fingers only
- Finger/side tap mounting method
- Finger/through hole mounting method
- Finger: side tapped mounting
- Finger: through hole mounting
- Fluorine grease
- Fluoroelastomer seal
- Grease for food processing machines
- Grease for food processing machines / fluorine grease
- No magnet
- None
- Opening direction spring assist
- Type with auto switch mounting grooves on both sides
- With lubricator
Clear
Connector type for gripper opening/closing
- M8 3-pin
- M8 4-pin
- M12 4-pin
- None
Clear
Dust cover materials
- CR
- Chloroprene rubber (CR)
- FKM
- Fluorine rubber (FKM)
- Fluoroelastomer (FKM)
- Si
- Silicone rubber (Si)
Clear
Specifications
- MHK2 replacement parts
- MHKL2 replacement parts
- Long stroke type
- Standard type
Clear
Finger materials
- Carbon steel
- None
- Stainless steel
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

32 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Similar Part Numbers

Part Number
MHK2-12C-M9BL
MHK2-12C-M9BS
MHK2-12C-M9BS-X41
MHK2-12S1-M9B
MHK2-12S1-M9BVL
MHK2-12S1F

Standard Unit Price	Minimum order quantity	Days to Ship	Type	Gripping Methods	Number of Fingers	Main Body Shape	Operation Method	Dimensions when open (mm)	Dimensions when closed (mm)	Gripping Force (when 0.5Mpa at opening) (N)	Gripping Force (when 0.5Mpa at closing) (N)	Environment, Applications	Additional Functions	Stroke Adjustment Mechanism	Cylinder internal diameter (mm)	Auto switch	Number of switches	Lead wire length	Made to order specifications	Connector type for gripper opening/closing	Dust cover materials	Specifications	Finger materials
-	1 Piece(s)	Quote	[Main Body] Main body	Open, Parallel Type	2 pcs.	Square Shape	Single Acting Type (Normally Closed)	13	9	12	-	Dust Resistant / Drip Resistant	High Accuracy	Not Provided	12	M9B	2 pcs.	3 m	None	None	Chloroprene rubber (CR)	Standard type	Carbon steel
-	1 Piece(s)	Quote	[Main Body] Main body	Open, Parallel Type	2 pcs.	Square Shape	Single Acting Type (Normally Closed)	13	9	12	-	Dust Resistant / Drip Resistant	High Accuracy	Not Provided	12	M9B	1 pc.	0.5 m	None	None	Chloroprene rubber (CR)	Standard type	Carbon steel
-	1 Piece(s)	Quote	[Main Body] Main body	Open, Parallel Type	2 pcs.	Square Shape	Single Acting Type (Normally Closed)	13	9	12	-	Dust Resistant / Drip Resistant	High Accuracy	Not Provided	12	M9B	1 pc.	0.5 m	Type with auto switch mounting grooves on both sides	None	Chloroprene rubber (CR)	Standard type	Carbon steel
-	1 Piece(s)	Quote	[Main Body] Main body	Pinch, Parallel Type	2 pcs.	Square Shape	Single Acting Type (Normally Open)	13	9	-	9	Dust Resistant / Drip Resistant	High Accuracy	Not Provided	12	M9B	2 pcs.	0.5 m	None	None	Chloroprene rubber (CR)	Standard type	Stainless steel
-	1 Piece(s)	Quote	[Main Body] Main body	Pinch, Parallel Type	2 pcs.	Square Shape	Single Acting Type (Normally Open)	13	9	-	9	Dust Resistant / Drip Resistant	High Accuracy	Not Provided	12	M9BV	2 pcs.	3 m	None	None	Chloroprene rubber (CR)	Standard type	Stainless steel
SGD 562.22	1 Piece(s)	32 Day(s)	[Main Body] Main body	Pinch, Parallel Type	2 pcs.	Square Shape	Single Acting Type (Normally Open)	13	9	-	9	Dust Resistant / Drip Resistant	High Accuracy	Not Provided	12	Without auto switch (built-in magnet)	None	None	None	None	Fluorine rubber (FKM)	Standard type	Stainless steel

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Air Gripper, Wedge Cam Operation, Slide Guide, 2-Finger Type, MHK2 Series (MHK2-12S1)

(i)Caution

MHK2 Series 2-Finger Type Wedge Cam Operation Slide Guide Air Gripper Features

Model

Structure drawing

Double acting

Single acting

Component parts

MHK2 Replacement Parts

External dimensional drawing

Configure

Specification/Dimensions

Gripping Force (when 0.5Mpa at opening)(N)

Environment, Applications

type

Type

Gripping Methods

Number of Fingers

Main Body Shape

Operation Method

Dimensions when open(mm)

Dimensions when closed(mm)

Gripping Force (when 0.5Mpa at closing)(N)

Additional Functions

Stroke Adjustment Mechanism

Cylinder internal diameter(mm)

Auto switch

Number of switches

Lead wire length

Made to order specifications

Connector type for gripper opening/closing

Dust cover materials

Specifications

Finger materials

CAD

Days to Ship

Specify Alterations

Similar Part Numbers

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