3jaws 6inch Precision Lathe Chuck
3jaws 6inch Precision Lathe Chuck
3jaws 6inch Precision Lathe Chuck
3jaws 6inch Precision Lathe Chuck
3jaws 6inch Precision Lathe Chuck
3jaws 6inch Precision Lathe Chuck
3jaws 6inch Precision Lathe Chuck

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3jaws 6inch Precision Lathe Chuck

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Model No. : KM 11- 160A
Brand Name : HERF
Connecting Type : Short Cylindrical Center Mounting
Number Of Jaws : 3 Jaws
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7yrs

Zhongwei, Ningxia, China

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Product description

I. Summary       

KM11 160A 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 160A : Size 160mm(6inch),

2. Chucks matched with A type  two-pieces jaw

3. KM11 160A  is precision Chuck.

4. KM11 160A is produced for european Market

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
160A 130 142 40 65 5 3-M8


                                                                    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)
630 160 24       31            31 2500      3000          38000


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




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