OPERATING MANUAL
®
METO-FER
COMPACT GRIPPER TYPE KZL 12
AUTOMATION AG
SERIES FROM 2-16
KZL 20
KZL 25
KZL 32
KZL 50
1. PRODUCT DESCRIPTION
1.1 Introduction
1.1.1. Utilization
The compact grippers are able to execute grip movements in any position. The
fingers (Pos.5) make a parallel movement. .
1.1.2. Safety Precautions
Before starting to operate the compact gripper KZL (KZL…D), it is
necessary to check that no body parts are within the working range of the element.
The maximum supply pressure of 8 bar must not be surpassed.
1.1.3. Danger Area
Any body parts are to be kept out of the working area (stroke area) of the unit in
order to avoid mangling.
1.2 Technical Data
1.2.1 Weights and Measurements
See also Sheet 5
Type A B C D E F G H
min.Hmax
KZL 12 28 49.5 40 20 4 7.5
7.5
KZL 20 35 55.5 56 24
5.5
KZL 25 40 65.5 60 30 5 4 7 10 20 8 4.5 10-H7
KZL 32 60 87.5 90 40 10 8 8 15 31 10 5.5 12-H7
KZL 50 70 102.0 107 50 10 16 16 20 40 11 6.6 15-H7
M N O P Q R S min S
17 5.5 M4/8 1.2 3.2 10 28 35 M3 25 20 6.2
21 5.5 M4/1
2
26 5.2 M5/1
5
28 14 M6/1
5
40 132 M8/1 2.5 6.2 25 70 90 M6 50 39 6.2
1.5 4.2 13 35.5 43.5 M4 25 19.5 8
1.5 4.2 15 40 50 M5 30 22.5 8
2.5 5.2 22.5 60 76 M6 35 26.5 6.2
3 6 9.5
8 15 6 3.5 6-H7
17.5
T U V W
max
JK L
8 4.5 8-H7
1
273
OPERATING MANUAL (KZL)
Type Dimension for Air Connection Weight
Lb.(kg)
A1 B1 C1 D1
KZL 12 18.25 9.75 14.5 6 0.3 (0.15)
KZL 20 23.50 11.5 17.5 6 0.4 (0.20)
KZL 25 26 14 19.5 5 0.8 (0.35)
KZL 32 30 30 34 8 2.1 (0.95)
KZL 50 35 35 33 8 3.3 (1.50)
1.2.2. Performance Characteristics
Type Clamping force at 72.5PSI (5 Bar)Air consumption for each double stroke at 72.5
PSI (5 Bar)
KZL 12 7 lb. ( 31 N) .0002 scf (0.004 NL)
KZL 20 20 lb. ( 88 N) .0005 scf (0.014 NL)
KZL 25 31 lb. ( 137 N) .0010 scf (0.027 NL)
KZL 32 51 lb. ( 225 N) .0025 scf (0.072 NL)
KZL 50 124 lb. ( 550 N) .0079 scf (0.224 NL)
1.2.3 Operating Source
40mm filtered, unoiled or oiled air (dew point 6oC)
Operating pressure P
1.2.4 Connections
Air connections M5 (see sheet 6)
1.2.5 Environment
Temperature 50
Relative humidity 95% (without condensation of water)
Purity of the environment air regular working place atmosphere
NL: Normal Liter
3 bar
min
P
o
F to 122oF (+ 10oC to + 50oC)
max
8 bar
OPERATING MANUAL (KZL)
1.3 Features
1.3.1 Standard Features
The compact gripper KZL (KZL…D) includes a sensor bracket for checking the
end position. It is possible to add this sensor bracket later on by ordering
KZL…Q. The inductive proximity sensors are not included.
1.3.2 Special Equipment
The compact grippers KZL (KZL…D) can be equipped with proximity switches
(see Meto-Fer® Electronic Catalog Page 15) so you will be able to check open
and closed positions.
Gripper Inductive Proximity Switches
KZL 12 D IM-004-…-…
KZL 20 D IM-004-…-…
KZL 25 D IM-004-…-…
KZL 32 D IM-006-…-…
KZL 50 D IM-006-…-…
2. SAFETY REGULATIONS
2.1 In general
See chapters 1.1.1
1.1.2
1.1.3
2.2 Specifically
Do not make any changes or modifications to the unit (voids warranty).
3. CONSTRUCTION AND FUNCTION
To check the end position, the compact gripper can be equipped with inductive
proximity switches. The stroke (clamp) cannot be adjusted.
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OPERATING MANUAL (KZL)
4. INITIAL OPERATION
4.1 Compressed Air
Remove the safety caps from the air connections. In order to regulate the velocity
of the movement, we recommend our flow controls DV-M5 (see sheet 5.021).
5. MAINTENANCE
5.1 Introduction
The compact gripper unit does not require any special maintenance procedure
Never use any type of solvents in order to clean the unit.
5.2 Air Supply
The mini linear unit is equipped with oil-free seals and can be operated with dry
and non-oiled compressed air. If oiled compressed air is used, we recommend:
- Airpress compound SAE 5 (Klueber Order No. 063027)
6. REPAIR
6.1 Introduction
If the unit no longer meets the requirements (leakage, wear, etc.) the
defective parts must be replaced.
6.2 Safety Precautions
Before dismounting the unit, it is necessary to check that the compressed air
supply is turned off. It is best to disconnect the compressed air supply from the
unit.
When repair work is done, only the original spare parts and lubrication must be
used.
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OPERATING MANUAL (KZL)
6.3 Replacing the Seals
- Remove the housing (Pos.1) by loosening the screws (Pos.206).
- Loosen the screw (Pos.207) and extract the piston (Pos.2).
- Replace the O-Rings (Pos.201 and 202) and the piston seal (Pos.203).
- Grease the cylinder bore and piston rod. (See Chapter 7.2.)
- The parts are then assembled in reverse order as above described.
7. SPARE PARTS LIST
7.1 Spare Parts
When ordering spare parts, the type and serial number of the unit must be
supplied.
Seal Kit Order Number 460.100.0302
Type Position Order
Description Quantity
Number
201 025.100.0320 O-Ring 1 Piece
KZL 12 202 025.100.0160 O-Ring 1 Piece
203 025.150.0500 Piston Seal 1 Piece
Seal Kit Order Number 460.100.0304
Type Position Order
Description Quantity
Number
201 025.100.0520 O-Ring 1 Piece
KZL 20 202 025.100.0230 O-Ring 1 Piece
203 025.150.0550 Piston Seal 1 Piece
Seal Kit Order Number 460.100.0306
Type Position Order
Description Quantity
Number
201 025.100.0580 O-Ring 1 Piece
KZL 25 202 025.100.0270 O-Ring 1 Piece
6
203 025.150.0600 Piston Seal 1 Piece
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OPERATING MANUAL (KZL)
Seal Kit Order Number 460.100.0308
Type Position Order
Description Quantity
Number
201 025.100.0660 O-Ring 1 Piece
KZL 32 202 025.100.0310 O-Ring 1 Piece
203 025.150.0650 Piston Seal 1 Piece
Seal Kit Order Number 460.100.0309
Type Position Order
Description Quantity
Number
201 025.100.0795 O-Ring 1 Piece
KZL 50 202 025.100.0420 O-Ring 1 Piece
204 025.150.0700 Piston Seal 1 Piece
7.2 Lubrication
Grease for seals Staburag NBU 4 Atemp.
(Klueber Order No. 005 040)
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