Products

The 46 series flange standard type is a 4 jaw independent lathe chuck with a chuck size of 12“ to 32” (φ300 to φ810). It is a general chuck made by Kawatatec that has been used for a long time with a cast iron body.

・Cast iron body (for general cutting)
・Chuck size 12“ to 32” (Ø300 to Ø810)
・Mounted on the end of the lathe spindle after the back plate is attached.
・The safety design of the tap hole specifications allows for the attachment of jigs.
・By replacing the standard hard solid jaw with the 46DJ series master jaw, it allows for the use of soft jaws.

The 46 Series short taper Direct Mount Type is a 4 jaw independent lathe chuck that can be used with chuck sizes from 12“ to 24” (φ300 to φ600). It can be directly mounted on the end of the lathe spindle.

・Cast iron body (for general cutting)
・Chuck size 12“ to 24” (φ300 to φ600)
・Direct mounting (JIS/ASA) Short taper type
・Jig mounting is a safety design with tapped hole specifications
・By replacing the standard hard solid jaw with a 46DJ series master jaw, you can use a soft jaw.

The 44 series is a large independent lathe chuck that can be used with chuck sizes of over 28” (Φ700). It is a 4 jaw independent lathe chuck suitable for machining on large lathes.
· Cast iron body (for general cutting)
· Large size φ700 (28") or more
· Direct mounting (JIS/ASA), short taper A type
· Hard solid jaw type, can be replaced
· T-slot end with bolt to prevent protrusion

The Independent Chuck Steel Type is a steel body chuck with a chuck size of 18“ to 42” (457mm to 1067mm). We have products suitable for middle-cutting and heavy-cutting applications, which require high gripping power.
· Steel body (code number 42~: for middle-cutting, 41~: for heavy-cutting)
· Chuck sizes 18” to 42 (ø457 to ø1067)
· Direct mounting (JIS/ASA) short taper type A
· High gripping power, ideal for heavy-duty cutting.
· The body is made of forged steel for high strength, and the jaws are made of SCM415 and hardened and polished.
· The jaws are a two-piece type, and the key step system makes it easy to move the jaws a long way.
· The jaw section has been lengthened to prevent the entry of chips and other foreign matter, and to allow for oiling. (41SERIES only)
· The T-slot end has a bolt to prevent it from protruding.

The TI series is a thin-type independent chuck that can be used with chuck sizes from 12“ to 39” (φ300 to φ1000). It can be used with a variety of machines, such as angle plates (equerre) and machining center tables, as well as 5-axis machining center tables.
・Cast iron body
・Chuck size: 12“ to 39” (φ300 to φ1000)
・The cover on the top makes it difficult for chips to enter the inside.
・Lightweight and thin design has minimal impact on the maximum loading capacity and height of the machine.

The 46DJ series is a master jaw for the 4 jaw independent lathe chuck 46 series or large independent lathe chucks. By replacing the hard solid jaw with this master jaw (op), it is possible to use a soft jaw.
・Master jaw for 44/46 series chucks.
・By replacing the hard solid jaw with this master jaw (optional), it allows the use of a soft jaw.
【Trivia about jaws】
・The feature of a soft jaw is that it rarely damages the workpiece. It is often used for finishing processes.
・The feature of a hard jaw is that it rarely wears out. It is often used for general cutting and rough processing.

The NST series is a 3 jaw scroll chuck with a chuck size of 4“ to 24” (112mm to 610mm) and a standard flange type. The cast iron body is suitable for general cutting.
・Cast iron body (for general cutting)
・Chuck size 4“ to 24” (φ112 to φ610)
・After mounting on the back plate, attach to the lathe spindle end (back plate not included)
・Soft jaw/hard jaw split type

3/4/6 Jaws scroll chuck low profile light weight type TM series is a lightweight, thin chuck with a chuck size of 12“ to 39” (φ300 to φ1000). It can be attached to angle plates (equerre), machining center tables, and 5-axis machining center tables.
・Cast iron body
・Chuck size 12“ to 39” (ø300 to ø1000)
・Cover on the upper surface of chuck to prevent chips from entering.
・Lightweight, low-profile design has minimal impact on the maximum load capacity and height of the machine.
・Can be attached to angle plates (equerre), machining center tables, and 5-axis machining center rotary tables.

3 Jaws scroll chuck heavy duty type 31/32 series is a chuck suitable for medium to heavy cutting with a chuck size of 18“ to 36” (φ457 to φ915). It is highly accurate and well balanced, and also excels in tightening efficiency.
・Steel body (code number 32~: for medium cutting, 31~: for heavy cutting)
・ Chuck size 18“ to 36” (φ457 to φ915)
・ Direct mounting (JIS/ASA) Short taper type A
・ The body is made of forged steel and is strong, and the jaw material is SCM415, which is hardened and polished
・ The inside of the body has a special design that ensures accuracy, balance, etc., and it is also suitable for heavy-duty cutting due to its high clamping efficiency.
・The jaws are a two-piece type, and the key step system makes it easy to move the jaws a long way.
・The jaws have been lengthened to prevent the entry of chips, etc., and they can be oiled.
・Jaw-split type (soft jaws are not included.)

The PH series is a 5 jaw scroll chuck with a chuck inner diameter (ø175 to ø420). Because it grips with 5 jaws, there is little deformation of the workpiece, and because the hole diameter is large, it is a chuck suitable for general cutting of pipes and other materials.
・ Cast iron body (for general cutting)
・ Chuck inner diameter (ø175 to ø420)
・ Available in both split jaw and hard solid jaw types.
・ Can clamp both the inner and outer diameters of pipes.

The SC series is a 3 jaw scroll chuck with hard solid jaws suitable for general cutting with chuck sizes from 3“ to 12” (ø87 to ø310). As it has hard solid jaws, it cannot be used with soft jaws.
・Cast iron body (for general cutting)
・Chuck size 3“ to 12” (ø87 to ø310)
・After mounting on the back plate, attach to the lathe spindle end (back plate not included)
・One set of inner and outer jaws are included

The TC-4 series is a 4 jaw scroll chuck for both soft and hard jaws with a chuck size of 4“ to 18” (Ø110 to Ø460). It is suitable for holding square workpieces and cylindrical workpieces.
・Cast iron body (for general cutting)
・Chuck size 4“ to 18” (Ø110 to Ø460)
・After mounting on the back plate, attach to the lathe spindle end (back plate not included)
・Two-piece jaw type: one set of hard jaws and soft jaws are included as standard

The TC-6 series is a 6 jaw scroll chuck with a chuck size of 9“ to 12” (ø233 to ø310) and a soft jaw and hard jaw. It can hold workpieces with minimal distortion.
・Cast iron body (for general cutting)
・Chuck size 9“ to 12” (ø233 to ø310)
・After mounting on the back plate, attach to the lathe spindle end (back plate not included)
・Two-piece jaw type: one set of hard jaws and soft jaws are included as standard

The TA series is a 3-jaw scroll chuck with a chuck size of 6“ to 18” (ø165 to ø460) and a soft/hard jaw combination. The jaws are a 2-piece type that can be used for soft and hard jaws.
・Cast iron body (for general cutting)
・Chuck size 6“ to 8” (ø165 to ø460)
・Direct mounting (JIS/ASA) Short taper A type
・Split jaw type: 1 set of hard jaws and soft jaws included as standard.

The CVH series is a large power chuck with 3 or 6 jaws, with a chuck size of 28“ to 100” (ø700 to ø2500). The jaw stroke is 30mm. The chuck top has a cover to prevent chips from entering, making it suitable for use on vertical lathes.
・ Chuck size (Φ700 to Φ2500)
・ Equipped with a cover to prevent chips from entering the machine, suitable for use with vertical lathes
・ Jaw stroke: 30mm in diameter
・ Mounting dimensions conform to JIS B6109-2 cylindrical connection.
・ Can be mounted in accordance with JIS B6109-1 conical connection using a special accessory adapter.
・ Standard accessory: soft jaws.

The CV series is a 3 jaw power chuck with a chuck size of 21“ to 24” (ø530 to ø610). It has a long jaw stroke and is designed for ease of use, making it suitable for large workpieces.
・Cast iron body
・Chuck size 21“ to 24” (φ530 to φ610)
・Equipped with a cover to prevent chips from entering the machine, suitable for use with vertical lathes
・Attaches to the end of a short taper (type A) spindle　*Special accessory adapter needed.
・Large jaw stroke for easy work with large workpieces
・Cast iron body to reduce the load on the spindle end
・Standard accessories: Soft jaws

The CVA series is a power chuck with a 4 jaw chuck size of 32“ to 80” (ø800 to ø2000) and an adjustment mechanism. Because it uses hydraulic pressure to grip, there is no variation in gripping force.
・Equipped with a cover to prevent chip entry, suitable for use with vertical lathes
・Each jaw can be moved independently, allowing powerful clamping of irregularly-shaped objects
・Independent jaw stroke (one side): 45mm
・Hydraulic jaw stroke (diameter): 30mm

The 4HA series is a 4 jaw hydraulic chuck with a chuck size of 18.4“ to 80” (ø460 to ø2000). It can clamp irregularly shaped objects such as round, square and oval shapes with its different gripping strokes.
・Cast iron body
・Chuck size:18.4“ to 80” (ø460 to ø2000)
・Different strokes are possible by moving adjacent jaws with different cylinders.
・Opposing jaws clamp irregularly shaped objects such as round, square and oval shapes with powerful clamping force due to centering action.
Standard accessories: Soft jaws.

The FLC/FCH series is a 6 jaw floating chuck with a chuck size of 24“ to 64” (ø600 to ø1600). It has a built-in floating function that enables 6-point clamping of materials with low roundness.
・Chuck size 24“ to 64” (φ600 to φ1600)
・Built-in floating function ideal for ring processing
・FLC type has centrifugation correction function.

■FLC Series
・Long jaw stroke: 86mm (diameter)
・Equipped with centrifugal force compensation function
・Equipped with cover to prevent chips from entering, suitable for use on vertical lathes.

■FCH Series
・Jaw stroke: 28.6mm (diameter)
・Pitch: 7mm square serration
・Equipped with cover to prevent chip entry, suitable for use on vertical lathes.

The NHR series is a large-diameter through-hole hydraulic chuck with a chuck size of 24.4“ to 32.4” (ø610 to ø810). It has a large through-hole of ø230 to ø277, enabling stable workpiece holding for cutting.
・Large-diameter through-hole (ø230 to ø277)
・Chuck size: 24.4“ to 32.4” (ø610 to ø810)
・Long jaw stroke (diameter): 18.6mm
・Ideal for machining short-shafts.

Power Wrench/Power Wrench Chuck is a system that automatically tightens the pinion of the scroll chuck using a hydraulic power wrench or electric power wrench, instead of manually. This can be added as a special specification to all of our scroll chucks.
・The chuck body is made of cast iron.
・This is a system that automatically tightens the scroll chuck pinion using a hydraulic power wrench or electric power wrench, instead of tightening it manually.
・Hydraulic power wrench PW-H24.
・This can be added as a special specification to all of our scroll chucks.

The CVB series is a large power chuck with a boring mill jaw that comes in chuck sizes of 40“ to 80” (1000mm to 2000mm in diameter). The boring mill jaw stroke diameter is 30mm. It comes with a cover to prevent chips from entering, making it suitable for use on vertical lathes.
Cast iron body
Chuck size (ø1000 to ø2000)
CVB-1P: One-piece boring mill jaw type
CVB-2P: Two-piece boring mill jaw type
Standard accessories: Soft jaws for power chuck

The HS type is a short-stroke rotary cylinder that is compatible with the CVH, CVA, CVB and CLK series of hydraulic chucks. It has a compact shape that is suitable for use with vertical lathes.
・Compatible with the CVH, CVA, CVB and CLK series of hydraulic chucks
・Compact shape that is suitable for use with vertical lathes
・Equipped with a check valve and stroke end detection switch as standard

The VH series is an index chuck for small valves that can handle chuck sizes of 6“ (ø150) , 10” (ø200) and 12“ (ø250). It is ideal for machining small valves and joints.
・Chuck sizes of 6” (ø150), 10“ (ø200) and 12” (ø250)
・Manual clamping, manual indexing
・Ideal for machining small valves and joints.

The VL series is an index chuck for large valves. Chuck sizes are 15“ (ø375) and 28” (ø700). Manual clamping and manual indexing. Ideal for machining large valves, joints, etc.
・Chuck sizes 15“ (ø375) and 28” (ø700)
・Manual clamping and manual indexing
・Ideal for machining large valves, joints, etc.

The VA series is an index chuck for small valves that can handle chuck sizes of 10.8“ (ø270) and 12.8” (ø320). Hydraulic clamping and manual indexing. Suitable for heavy-duty cutting of small valves, joints, etc. using powerful hydraulic clamping.
Chuck sizes: 10.8“ (φ270), 12.8” (φ320)
Hydraulic clamping, manual indexing
Ideal for heavy-duty cutting of small valves, joints, etc. using powerful hydraulic clamping.

The VX series is an index chuck for large valves that can handle chuck sizes of 15“ to 28” (ø375 to 700). It is ideal for heavy-duty cutting of large valves and fittings, etc., using powerful hydraulic clamping.
· Chuck size 15“ to 28” (φ375 to 700)
· Hydraulic clamping, manual indexing
· Clamping of workpiece by spindle and hydraulic cylinder from rear side
· Suitable for heavy-duty cutting of large valves, fittings, etc. with powerful hydraulic clamping.