Mechanically Jointed Rodless Cylinder, Basic Type, MY1B-Z Series

Brand :

SMC

Caution

Refer to the catalog for product specifications.
Product pictures are representations. CAD data is not supported by some of the model numbers.

Product Description

The MY1B-Z series is a basic type of Mechanically Jointed Rodless Cylinder in which piping is possible from 4 directions.
[Features]
· Adjusting the cushion needle is easy.
· An auto switch is mountable to either the front or rear sides.

Mechanical Joint Type Rodless Cylinder, Basic Type, MY1B-Z Series Specifications

Model Indication Method

Specifications

Tube inner diameter (mm)		25	40
Usable fluids		Air
Operating type		Double-acting type
Operating pressure range		0.1 to 0.8 MPa
Guaranteed pressure resistance		1.2 MPa
Ambient temperature and working fluid temperature		5 to 60°C
Cushion		Air cushion
Lubrication		Lubrication-free
Allowable difference of stroke length		2,700 or less (0 to +1.8), 2,701 to 5,000 (0 to +2.8)
Piping connection port diameter	Front/side port	Rc 1/8	Rc 1/4
Piping connection port diameter	Bottom port	ø6 (diameter 6 mm)	ø8 (diameter 8 mm)

Theoretical output table

Unit: N

Tube inner diameter (mm)	Pressure receiving area (mm²)	Operating pressure (MPa)
Tube inner diameter (mm)	Pressure receiving area (mm²)	0.2	0.3	0.4	0.5	0.6	0.7	0.8
25	490	98	147	196	245	294	343	392
32	804	161	241	322	402	483	563	643
40	1,256	251	377	502	628	754	879	1,005

Note: Theoretical output (N) = pressure (MPa) × pressure receiving area (mm²).

Weight table

Unit: kg

Tube inner diameter (mm)	Basic weight	Extra weight per 50 strokes	Side port bracket weight (per 1 pair)	Stroke adjustment unit weight (per 1 unit)
Tube inner diameter (mm)	Basic weight	Extra weight per 50 strokes	A /B type	A unit weight	L unit weight	H unit weight
25	1.14	0.11	0.02	0.06	0.10	0.18
32	2.28	0.17	0.02	0.12	0.21	0.40
40	3.11	0.25	0.04	0.23	0.32	0.49

Structural Drawing

MY1B25 to 40

Components

Number	Description	Materials	Additional notes
1	Cylinder tube	Aluminum alloy	Hard anodized aluminum
2	Head cover	Aluminum alloy	Painted
3	Cushion boss	Polyacetal	-
4	Piston yoke	Aluminum alloy	Anodized aluminum
5	Piston	Aluminum alloy	Chromate
6	End cover	Polyacetal	-
7	Wear ring	Polyacetal	-
8	Head plate	Stainless steel	-
9	Cushion needle	Rolled steel	Nickel plating
10	Stopper	Carbon steel	Nickel plating
11	Belt separator	Polyacetal	-
12	Guide roller	Polyacetal	-
13	Parallel pin	Carbon steel	-
16	Belt clamp	Polybutylene terephthalate	-
21	Bearing	Polyacetal	-
22	Spacer	Stainless steel	-
23	Spring pin	Carbon tool steel	-
24	Seal magnet	Rubber magnet	-
25	Hex socket head bolt	Chrome molybdenum steel	Chromate
26	Hex socket head cap button screw	Chrome molybdenum steel	Chromate
27	Thin-head screw	Chrome molybdenum steel	Chromate
29	Double-round parallel key	Carbon steel	-
30	Hex socket head taper plug	Carbon steel	Chromate (in the case of centralized piping: 7 pcs.)
31	Magnet	Rare earth magnet	-
32	Top cover	Stainless steel	-
35	Hex socket head taper plug	Carbon steel	Chromate (in the case of centralized piping: 3 pcs.)
36	CR-type retaining ring	Steel for springs	-
38	Steel ball	Bearing steel	-
39	Lub-retainer	Special resin	-

Mechanically Jointed Rodless Cylinder, Basic Type, MY1B-Z Series, example dimensions

L-type mounting dimensions
Mounting direction can be selected from 2 types with 1 pair of brackets, enabling compact combinations.

(Unit: mm)

Model	Compatible cylinders	Common					Mounting direction (1)				Mounting direction (2)							Adjustable range
Model	Compatible cylinders	D	G	H	J	MM	A	B	C	F	A	B₁	B₂	B₃	C₁	C₂	F	E₁	E₂
MY-J25	MY1B25□	40	60	3.2	35	5.5	63	78	39	100	65	28	53	78	14	39	96	1	1
MY-J32	MY1B32□	55	80	4.5	40	6.5	76	94	47	124	82	40	64	88	20	44	111	1	1
MY-J40	MY1B40□	74	100	4.5	47	6.5	92	112	56	144	98	44	76	108	22	54	131	1	1