Air Cylinder CDS1 Series With Auto Switch

Brand :

SMC

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.

Product Description

Square cover air cylinder.
[Features]
· Tie-rod type.
· Large bore size.
*See the SMC catalog for specification details.
*Product pictures are representative images. CAD data is not supported for some model numbers.

Air Cylinder CDS1 Series With Auto Switch Specifications

Air Cylinder CDS1 Series With Auto Switch external appearance

JIS symbol: Double acting type, air cushion

Specifications

Type	Lube Type / Non-Lube Type		Air-hydro type
Fluid	Air		Turbine oil
Tube Inner Diameter (mm)	125, 140, 160	180, 200	125, 140, 160
Proof Pressure	1.57 MPa	1.2 MPa	1.57 MPa
Maximum Operating Pressure	0.97 MPa	0.7 MPa	0.97 MPa
Minimum Operating Pressure	0.05 MPa		0.06 MPa
Piston Speed	50 to 500 mm/s		0.5 to 200 mm/s
Cushioning	Yes		None
Ambient and Fluid Temperature	0 to 60°C (no freezing) Air-hydro type: 5 to 60°C
Stroke Length Tolerance (mm)	250 ^st or less: (0 to +1.0), 251 to 1,000 ^st: (0 to +1.4), 1,001 to 1,500 ^st: (0 to +1.8)
Mount Support Type	Basic type, foot type, rod-end flange type, head-end flange type, single clevis type, double clevis type, center trunnion type

Maximum Stroke Table

(Units: mm)

Tube Internal Diameter (mm)	Maximum Stroke
Tube Internal Diameter (mm)	Basic Type, Head-End Flange Type, Single Clevis Type, Double Clevis Type, Center Trunnion Type	Foot Type, Rod-End Flange Type
125, 140	1,000 or less	1,400 or less
160	1,200 or less	1,400 or less
180	1,200 or less	1,500 or less
200	998 or less	998 or less
Notes	ø200 mm: 998 to 1,200 stroke available as a custom order	ø200 mm: 998 to 1,500 stroke available as a custom order

Diagram

Lube type diagram

Non-lube type diagram

Air-hydro type / ø125 mm, ø140 mm, ø160 mm only diagram

Component Parts

Number	Name	Material	Notes
1	Rod cover	Rolled steel plate	Painted black
2	Head cover	Rolled steel plate	Painted black
3	Cylinder Tubing	Aluminum alloy	Hard anodized aluminum
4	Piston	Diecast aluminum alloy	Chromate
5	Piston rod	Carbon steel	Hard chrome plating
6	Retaining plate	Cast iron	Painted black
7	Bushing	Resin/Copper alloy (Multiple layers)	-
8	Valve Guide	Brass	-
9	Tie-Rod	Carbon steel	Bright chromate
10	Tie-Rod Nut	Rolled steel	Black zinc chromate
11	Spring Washer	Steel wire	Black zinc chromate
12	Retaining Plate Bolt	Chrome molybdenum steel	Black zinc chromate
13	Spring Washer	Steel wire	Black zinc chromate
14	Cushion Ring A	Rolled steel	Zinc chromate
15	Cushion Ring B	Rolled steel	Zinc chromate
16	Cushion Valve	Rolled steel	Electroless nickel plated
17	Spacer A	Rolled steel	Zinc chromate
18	Spacer B	Rolled steel	Zinc chromate
19	Air Releasing Valve B	Rolled steel	Zinc chromate
20	Air Releasing Valve A	Chrome molybdenum steel	-
21	Check Ball	Chrome bearing steel	-
22	Auto switch	-	-
23	Set Screw	Chrome molybdenum steel	Zinc chromate
24	Switch Mounting Bracket	Aluminum alloy	-
25	Switch Mounting Screw	Copper wire	Nickel plating
26	Magnet	-	-
27	Wear Ring	Resin	-

Seal List

Number	Name	Material	Notes
Lubrication Type 1
28	Wiper Ring	NBR	-
*29	Cushion Seal		-
30	Rod Seal		-
31	Piston Seal		-
32	Valve Seal		-
33	Tube Gasket		-
*34	Piston Gasket		-
35	Retaining Plate Gasket		-
*36	Guide Gasket		-

*Cushion seal, piston gasket and guide gasket are non-replaceable products and so are not included in the seal kit.

Non-Lube Type / Air-Hydro Type

30 / Rod seal material: NBR
31 / Piston seal material: NBR

*Seals except types 30 and 31 are the same as for the lube type.

Basic Type: CS1B Dimensions

(Units: mm)

Lube type (CS1B), non-lube type (CS1BN), air-hydro type (CS1BH) dimensions (with rod boot)

With auto switch: CDS1B dimensions(with rod boot)

Type	Tube Internal Diameter (mm)	*Stroke Range (mm)	A	AL	B	C	D	E	EA	F	FA	G	J	K	KA	M	MM	N	P	S
Lubrication Not required Air-Hydro Type	125	Up to 1,000	50	47	145	115	36	90	59	43	14	16	M14 × 1.5	15	31	27	M30 × 1.5	35	1/2	98
	140	Up to 1,000	50	47	161	128	36	90	59	43	14	16	M14 × 1.5	15	31	27	M30 × 1.5	35	1/2	98
	160	Up to 1,200	56	53	182	144	40	90	59	43	14	18.5	M16 × 1.5	17	36	30.5	M36 × 1.5	39	3/4	1.6
Lubrication Not required	180	Up to 1,200	63	60	204	162	45	115	70	48	17	18.5	M18 × 1.5	20	41	35	M40 × 1.5	39	3/4	111
	200	Up to 1,200	63	60	226	182	50	115	74	48	17	18.5	M20 × 1.5	20	46	35	M45 × 1.5	39	3/4	111
	250	Up to 1,200	71	67	277	225	60	140	86	60	20	23	M24 × 1.5	25	56	41.5	M56 × 2	49	1	141
	300	Up to 1,200	80	76	330	270	70	140	96	60	20	23	M30 × 1.5	30	65	51.5	M64 × 2	49	1	146

*Minimum stroke with rod boot is 30 mm or more.

Type	Tube Inner Diameter (mm)	Without Rod Boot		With rod boot
Type	Tube Inner Diameter (mm)	H	ZZ	d	e	f	h	l	ZZ₁
Lubrication Not required Air-hydro type	125	110	235	82	75	40	133	0.2 stroke	258
	140	110	235	82	75	40	133	0.2 stroke	258
	160	120	256.5	82	75	40	141	0.2 stroke	277.5
Lubrication Not required	180	135	281	92	85	45	153	0.2 stroke	299
	200	135	281	96	90	45	153	0.2 stroke	299
	250	160	342.5	108	105	55	176	0.17 stroke	358.5
	300	175	372.5	118	115	55	190	0.17 stroke	387.5

Type	Tube Internal Diameter (mm)	Stroke Range (mm)	S	Without rod boot	With rod boot
Type	Tube Internal Diameter (mm)	Stroke Range (mm)	S	ZZ	ZZ₁
Lubrication Not required Air-hydro type	125	Up to 1,000	98	235	258
	140	Up to 1,000	98	235	258
	160	Up to 1,200	106	256.5	277.5
Lubrication Not required	180	Up to 1,200	115	285	303
Lubrication Not required	200	Up to 998	120	290	308

With auto switch: ø125 to 200 mm only

*Dimensions not in the table above are the same as the dimensions for the standard type.
*See the SMC catalog regarding auto switch mounting positions and mounting height dimensions.
*See the SMC catalog regarding the minimum stroke for auto switch mounting.

*See the manufacturer's catalog for product information other than that detailed above.