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10 inch 3jaws Self Centring Chuck

    Payment Type: L/C,T/T,Paypal
    Min. Order: 1 Set/Sets
    Delivery Time: 15 Days


Basic Info

Model No.: K11250

Size: 10inch

Chuck Body Material: Nodular Cast Iron(QT)

Chuck Matched With Jaw Type: One Piece Jaw

Mounting Types With Machine Spindle: The Short Cylinder

Additional Info

Packaging: wooden case

Productivity: According to the order

Brand: HERF

Transportation: Ocean

Place of Origin: China

Supply Ability: Well

Certificate: ISO9001

HS Code: 84662000

Port: Tianjin,Shanghai,Guangzhou

Product Description

I. Summary

K11 250 is K11 series three jaw self-centering chuck. Chuck adopt short cylindrical center mounting.Chuck adapt plane threaded structure through the gear,scroll to make jaws move at same time for achieving self-centering of the workpiece..The steel chucks have high speed, high clamping force , long using life stc.

II. Model instruction

1. Model K11 250 : Size 250mm(10inch),

2.Chucks matched with one piece jaw

3.Short cylindrical center mounting
2. k11 250 chucks are provided with one-piece jaws(which include a set of intema jaws and a set of extemal ones)

III.Chuck Selection

1. Users should choose a suitable chuck to the demanded dimensions of workpieces and permissible clamping range of chuck

FIG 1.

3jaw fig1


3jaws table1

2.When chose a chuck you should consider the main parameters of machine tool such as its max. speed etc .

IV. The basic parameters of cylindrical cnetre mount chucks ,See FIG. 2, TABLE. 2 AND MAIN FEATURE ,SEE TABLE 3.

FIG. 2

3jaw fig 2


size D1 D2 D3 H h z-d
250 206 226 80 80 5 3-M12


SIZE Max. input torque Nm Max.clamping force kN Max.speed r/min
k11 k11(QT) K11(G) K11 K11(QT) K11(G)
250 320 37 46 46 1600 2000 2400

V. Mounting a cylindrical centre chuck

1.The cylindrical centre mounting chucks connected with the machine tool spindle nose through the adaptor plate

VI. Operation.

1.Check and test items as below before operation

(1)Ensure the chuck mounting be tight.
(2)Insert the wrench into the threaded bar hole and turn it to make the Jaw move freely.
(3)Setting lowest spindle rotated speed if it runs normally then increase speed and check its run-out and other abnormal phenomenas

2. Operation of the chucks
(1)Make the workpiece to conform with the clamping arc in the
(2)Use the attached wrench to clamp workpiece( clamping individually with 4 jaws) and the input torque should not exceed the values of table 3


a)Do not add the tube on the wrench when clamp workpiece to avoid the input torque to exceed its limit and break chuck
b)Do not clamp workpiece in the max clamping range if possible
c) Do not run at max speed when approach the max clamping limit
d) Do not exceed chucks max speed during operation

VII. Maintenance

1. Chucks should be maintained while the machine tools maintain
2. Lubricate and clean (use the compressed air) the chucks every day in order to maintain its accuracy and durability
3. Wash and lubricate all the working surface of the chucks at least two times every year. When the using frequency of the machine tool grow or at the special operation conditions, add the maintenance times of the chucks

Looking for ideal 3Jaws Metal Self Centering Lathe Chuck Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Scroll Type Three Jaw Chuck are quality guaranteed. We are China Origin Factory of 3Jaws 10inch Self Centering Metal Chuck. If you have any question, please feel free to contact us.

Product Categories : Lathe Chuck > K11 Three Jaw Self Centering Chucks

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