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High-Power Pneumatic Series

25,000 units of pneumatic
2011.11 〜 2018.02

Higher Clamping Force with
High-Power Pneumatic Clamp with Mechanical Locking System PAT. P※ The drawing shows the swing clamp.

ReleasePortLockPort

Released Condition

Released Condition

1

ReleasePortLockPort

Clamped Condition

Locking Operation(Swing Stroke + Vertical Stroke 2mm)

Clamped Condition(Mechanical Lock Stroke 4mm)

ModelWH E

Mod elWC E

fixture systems have been sold!!

Built-In Mechanical Lock

(Wedge Mechanism)

Main Features of High-Power Pneumatic Clamp
Reference comparison of cylinders with piston diameter φ40 (Air Pressure 0.4MPa, Lever Length 60mm)

Comparison Pneumatic Clamp
model WHA0400

High-Power Pneumatic Clamp
model WHE1600

0.36kN

1.1kN

Clamping Force
Output force depends
on the cylinder area

Higher output force
by mechanical locking(0.36kN)
Holding Force
Reaction force
achieved by fluid

2.5kN

Reaction force achievedby mechanical locking2Advantages of High-Power( Hydraulic Clamp → High-Power Pneumatic Clamp )HydraulicSystems
Hydraulic Unit

Hydraulic Valve

Hydraulic Fixture

Energy-Saving
High-power pneumatic system requires only air resulting in cost reduction.
No hydraulic unit required. Reduction of electric power consumption/CO2.

100%

Standard Hydraulic System

Electric Power Consumption※ Calculated value by our own.

Approximately
65% reduced

Inverter Control System

High-Power
Pneumatic System

Approximately
95% reduced
Air consumption is converted to the cost.

Cost-Reduction
The initial cost of high-power pneumatic system is much less than that of hydraulic system.
The running cost is also reduced with less maintenance.

Clamp x 4

Hydraulic Unit

Initial Cost
※ Calculated value by our own.

Clamp x 4

Inverter Control Hydraulic Unit

PipingInverter Control System

High-Power
Pneumatic System3

Piping100%

Standard Hydraulic System

Clamp x 4

Valve Unit

PipingApproximately
30% reduced

Approximately
30% increased

Pneumatic Systems

ModelWH E

Mod elWC E

High-Power
PneumaticSystems
Air Compressor

Pneumatic Valve

High-Power Pneumatic FixtureLess Workload
Installation is easily done with air piping, since there is no need of hydraulic piping.
It is the solution to problems such as fluid leakage and temperature effects.

Hydraulic Piping

Pneumatic Piping

High Power
Holding force with mechanical locking (wedge) function withstands the reaction force similar tohydraulic clamps. Also, it enables high speed machining on both front and back faces.

Displacement Amount※ Results of machining by our own.

【 Machining Condition 】
Drill Diameter
8.5 mm

Cutting Speed

25 m/min

Main Axis Revolution

936 rpm

Feed Speed

0.100mm/rev

Workpiece Material

S45C

Clamping Force860N (430N×2)

High-Power Pneumatic Clamp※ Holding Force 2230N(1115N×2)(model WHE1000)

Hydraulic Clamp(model LHA0360)

00.01

0.02

0.03

0.04

0.05

Displacement AmountMeasurement Sensor

Displacement Amount (mm)4Advantages of High-Power( Pneumatic Clamp → High-Power Pneumatic Clamp )PneumaticSystems
Air Compressor

Pneumatic Valve

Pneumatic Fixture

Smaller Footprint
Smaller cylinders, more compact fixtures! High-power pneumatic clamp exerts approximately
3 times higher clamping force than the same size comparison pneumatic cylinder.

General Pneumatic Cylinder

High-Power Pneumatic Clamp

General Pneumatic CylinderMore Compact

High-Power Pneumatic Clamp

The number of clamps can be reducedHigh Speed
Holding force with mechanical locking (wedge) function enables high speed machining on the back face.

Displacement Amount※ Results of machining by our own.

【 Machining Condition 】
Drill Diameter
8.5 mm

Cutting Speed

25 m/min

Main Axis Revolution

936 rpm

Feed Speed

0.100mm/rev

Workpiece Material

S45C

Clamping Force

860N (430N×2)

High-Power Pneumatic Clamp※Holding Force 2230N (1115N×2)(model WHE1000 Cylinder Outer Diameterφ46)

Comparison Pneumatic Clamp(model WHA0320 Cylinder Outer Diameterφ46)
00.2

0.4

0.6

Displacement Amount (mm)

50.8

1.0

Displacement AmountMeasurement Sensor

Pneumatic Systems

ModelWH E

Mod elWC E

High-Power
PneumaticSystems
Air Compressor

Pneumatic Valve

High-Power Pneumatic FixtureHigh Quality
Optimum clamping force does not distort workpiece and holding force is strong enough to withstandmachining loads.

Distortion!!

Strong clamping force distorts the workpiece.

Clamping force is lowered, yetworkpiece is supported with holding force.

Light Weight
By reducing the weight of fixture, the load to equipment is minimized such as NC table.

Fixture Weight
10% reduced※ Reference when
workpiece size is 300×260

General Pneumatic Cylinder

High-Power Pneumatic Clamp

6

High-Power Pneumatic Series
No Interference・Minimum Setup
Smaller Footprint・Light Weight
By reducing the weight of fixture, the load to equipment is minimized such as NC table.

Fixture Weight
25％ reduced※ Reference when
workpiece size is 300×230

Larger Space

Smaller Space

Comparison Pneumatic Clamp

High-Power Pneumatic Hole Clamp

High Power
Equivalent clamping force to hydraulic clamp is achieved by mechanical locking (wedge) function.

Clamping Force at Air Pressure 0.4MPa

0.48kN

Comparison Pneumatic Hole Clamp
model SWH2

1.8kN

Clamping Force
About 3.75 times

High-Power Pneumatic Hole Clamp
model SWE2000

Safety Function
The self-lock function with mechanical lock and internal spring will ensure safety even at 0MPa.

Even when air pressure is cut off,

Clamping Force

Air 0.4MPa

71.8kN

clamping force is maintained.

Clamping Force

Air 0MPa

0.25kN※ Indicates the clamping force of SWE2000.

Hole Clamp

M odel

SWE・Smaller Footprint
Transfer
Compact and light weight loading/lifting hand part enables to downsize the transfer equipment.

Mass of hand
45％ reduced※ Reference whenworkpiece size is 300×230×120

Larger Space

Smaller Space

Loading/Lifting Hand with Linear Cylinder

High-Power Pneumatic Hole Clamp

Using SWE with expansion locating pin securesloading/unloading and transfer with a robot.
Some Clearance

Loading

Locating

Model

Optimum Clearance

When loading (compressed)

V WM/ VWKZero Clearance

Locating (expanded)

Fixed Pin

Expansion Locating Pin

Fixture gets stuck.

Easy Loading・Zero Clearance

Some Clearance= High Accuracy8High-Power Pneumatic SeriesThe prevention of chattering andChattering Prevention
After the plunger touches the workpiece with slight spring force, it is locked tightly with the wedge function,
preventing chattering and deformation of the workpiece.

Plunger Spring
Plunger

Wedge Function＜ Internal Action Image ＞

Chattering

No Chattering!!

Deformation Prevention
Plunger is locked where it touches the workpiece within the stroke range.

Without Work Support

With Work Support

Before plunger is lifted up

Locked after touching workpiece

Bending
9No Bending!!

Work Support

M odel

WNC

deformation improves accuracy.
The World's Smallest Work Support Model
The world's smallest size M22 is added

Supporting force is 2.5 times higher than comparison model.

0.4kN

0.16kNAir at 0.4MPa

M26

M30

M45

M36

Supporting Force
2.5 times

M60

Comparison Pneumatic Work Supportmodel WD (M26)

M22

High-Power Pneumatic Work Supportmodel WNC (M26)With air sequence valve, it is easy to
add a circuit for work support.

ModelBWD

Main Clamp
Release Port
Lock Port

Operates first

BWD

Operates next
Work Support

Set delay time withthe adjusting screw
Able to install BWD on the

Add the work support circuit by separating clamp circuit.

back side of fixture
10The Fastest Fixture Setup with
Powerfully locks the fixtures,Work Efficiency
It is very difficult to position 10 kilogram workpiece on fixed pins.
For pallet clamp, anyone can change fixtures with high accuracy.
Fixed Pin + Manual Tightening with Bolt

High-Power Pneumatic Pallet Clamp

Diﬃcult to load・Apt to get stuck

Easy to load

Manual Tightening
Accuracy correction required

Locking in mere seconds
No accuracy correction required

Ensures Accuracy
Table Fixture

Locating repeatability is constantly 3μm no matter how many fixtures are set to a table (1：n).
The Pallet Clamp can compensate center distance inaccuracies with our unique movable taper sleeve technology.
Error of Center DistanceCenter Distance
Inaccuracy：SmallDatum Block

Cut Block
Taper Sleeve

Center Distance Tolerance ±0.025
11Compensate
center distanceinaccuracy as taper
sleeve descends.

Center Distance
Inaccuracy：Large

Kosmek Pallet Clampand locating accuracy is 3μm

ModelWVS

Compact
High-power pneumatic pallet clamp has the same size and equivalent force as hydraulic pallet clamp
because of mechanical locking (wedge) function.

Exterior Diameter： Clamping Force
φ66： MAX. 4.0kN

Size

φ76： MAX. 6.3kN≒

φ94： MAX. 9.9kN
φ118.5： MAX. 15.7kN※ Clamping force when air pressure is at 0.5MPa.

Hydraulic Pallet Clamp
model VS

High-Power Pneumatic Pallet Clamp
model WVS

Screw Locator
Locating within 3μm just with bolts

Equivalent toRound Pin

M odelWork Efficiency

Ensures Accuracy

Equivalent toDiamond Pin

VX F

Taper pin prevents chattering, and anyone can change fixtures with high accuracy.

Similar to pneumatic pallet clamp, locating repeatability is consistently 3μm
Table Fixture

no matter how many fixtures are set to a table (1：n).

Elastic Ring
Close Contact

JVA Coupler

VXF Bush
Round Pin /＜ During Pallet Loading ＞

Auto Coupler＜ Locating Completed ＞

JVA/JVB auto coupler can be used with VXF.

VXF Diamond Pin

JVB Coupler

12

※ For detailed speciﬁcations please refer to our website or catalog.

Specifications

High-Power Pneumatic Swing Clampm o d e l WHE

Model No.

Exterior
Body Diameter

CylinderOperating
Output Force Pressure Range

WHE0600

φ400.23 〜 0.57 kN

WHE1000

φ460.39 〜 0.98 kN

WHE1600

φ540.63 〜 1.57 kN

WHE2500φ64

0.98 〜 2.44 kN

WHE4000

φ77

1.54 〜 3.86 kN

0.2 〜 0.5MPa※ Cylinder output force diﬀers from clamping force/holding force.

High-Power Pneumatic Link Clampm o d e l WCE

Model No.

Exterior
Body Diameter

CylinderOperating
Output Force Pressure Range

WCE0602

φ40

0.28 〜 0.59 kN

WCE1002

φ46

0.45 〜 0.94 kN

WCE1602φ54

0.77 〜 1.59 kN

WCE2502

φ64

1.20 〜 2.46 kN

WCE4002φ77

1.92 〜 3.92 kN

0.2 〜 0.5MPa※ Cylinder output force diﬀers from clamping force/holding force.

Model No.

ExteriorBody Diameter

ClampingForceWorkpiece
OperatingHole Diameter Pressure Range

High-Power Pneumatic Hole Clamp

SWE1000

φ46

0.7 〜 1.5 kN+ 0.7
6.0 +- 0.7
0.3 〜 9.0 - 0.3

m o d e l SWE

SWE2000

φ54

1.0 〜 2.2 kN

9.0 - 0.3 〜 13.0 - 0.3

+ 0.7

+ 0.7

0.2 〜 0.5MPa※ Workpiece hole diameter should be speciﬁed in incremental of every 0.5mm.
※ Workpiece Hardness：Less than HB250

High-Power Pneumatic Work Support
m o d e l WNC

High-Power Pneumatic Pallet Clampm o d e l WVS

13Model No.

Outer Diameter
Thread Size

Supporting
Force

WNC0350

M22×1.50.03 〜 0.59 kN

WNC0600

M26×1.5

0.1 〜 1.0 kN

WNC1000

M30×1.50.2 〜 1.7 kN

WNC1600

M36×1.50.3 〜 2.5 kN

WNC3000

M45×1.5

0.7 〜 4.8 kN

WNC6000

M60×2

1.6 〜 9.0 kN

Model No.

Exterior
Body Diameter

Clamping
Force

WVS0040

φ45

2.4 〜 4.0 kN

WVS0060

φ55

3.9 〜 6.3 kN

WVS0100

φ69

5.8 〜 9.9 kN

WVS0160

φ87.5

9.0 〜 15.7 kN

OperatingPressure Range

0.25 〜 0.7MPa

LocatingRepeatability

OperatingPressure Range

0.003mm

0.2 〜 0.5MPa

Application Examples for Non-Machining Equipment
High-Power Pneumatic Series is used not only formachining equipment, but also for various production equipment.

Washers

Deburring with Robots

Transfer

Assembling Equipment

Fixing Pressure VesselWelding※ Please contact us
when spatter measure is required.

Testing Equipment
14

HEAD OFFICE

1-5, 2-Chome, Murotani, Nishi-ku, Kobe 651-2241
TEL.+81-78-991-5162
FAX.+81-78-991-8787
BRANCH OFFICE (U.S.A.) KOSMEK (U.S.A.) LTD.
650 Springer Drive, Lombard, IL 60148 USA
TEL. +1-630-620-7650
FAX. +1-630-620-9015
MEXICO REPRESENTATIVE OFFICE KOSMEK USA Mexico Office
Blvd Jurica la Campana 1040, B Colonia Punta Juriquilla Queretaro,QRO 76230 Mexico
TEL.+52-442-161-2347
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Schleppeplatz 2 9020 Klagenfurt am Wörthersee Austria
TEL.+43-463-287587
FAX.+43-463-287587-20
BRANCH OFFICE (INDIA) KOSMEK LTD - INDIA
F 203, Level-2, First Floor, Prestige Center Point,
Cunningham Road, Bangalore -560052 India
TEL.+91-9880561695
THAILAND REPRESENTATIVE OFFICE 67 Soi 58, RAMA 9 Rd., Suanluang, Suanluang, Bangkok 10250
TEL. +66-2-300-5132
FAX. +66-2-300-5133

http://www.kosmek.com● FOR FURTHER INFORMATION ON UNLISTEDSPECIFICATIONS AND SIZES, PLEASE CALL US.
● SPECIFICATIONS IN THIS LEAFLET ARE
SUBJECT TO CHANGE WITHOUT NOTICE.

JQA-QMA10823

CAT.NO.KWC009-03-GB
Printed in JapanKOSMEK HEAD OFFICE2014. 04 First 1Ry
2018. 03
4th 1Ry