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K11 320MM/12.6inch Three-Jaws lathe Chuck

    Payment Type: L/C,T/T,Paypal
    Incoterm: FOB,CFR,CIF,FCA,CPT,CIP
    Min. Order: 1 Set/Sets
    Delivery Time: 15 Days
Basic Info

Model No.: K11320C

Size: 12.6inch

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 320C 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 320C : Size 320mm(12.6inch),

2.Chucks matched with C type two-pieces jaw

3.Chuck body material ;Nodular cast iron (QT)

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

TABLE 1.

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


TABLE.2

size D1 D2 D3 H h z-d
320C 270 290 100 95 11 3-M16


TABLE. 3

SIZE Max. input torque Nm Max.clamping force kN Max.speed r/min
Material
k11 k11(QT) K11(G) K11 K11(QT) K11(G)
320 400 46 55 55 1200 1500 1900


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

3.Caution

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 Three Jaws Self Centring Chuck Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the 3Jaws X 12.6inch Self Centering Chuck are quality guaranteed. We are China Origin Factory of Metal 3Jaws Lathe 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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