Home > Products > Lathe Chuck > K72 Four Jaw Independent Chucks > FOUR JAW 39inch/1000mm INDEPENDENT CHUCKS


    Payment Type: L/C,T/T,Paypal
    Min. Order: 1 Set/Sets
    Delivery Time: 20 Days
Basic Info

Model No.: K72 1000E

Number Of Jaws: 4 Jaws

Connecting Type: Short Cylindrical Center Mounting

Size: 39 Inch

Body Material: Nodular Cast Iron(QT)

Additional Info

Packaging: Carton

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

K72 1000E is K72 series Four jaw Independent Lathe Chuck. 4-jaw independent chucks. Chuck adopt short cylindrical center mounting. Chucks adopt threaded transmission structure to move jaws independently by threaded bars to clamp workpieces .

II. Model instruction

1. Model K72 1000E : Size 1000mm(39inch),

2. indepnedent and adjustable ,suitable for machining all kind of special-shaped workpieces

3.Chucks matched with E type two-pieces jaw


III.Chuck Selection

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

FIG 1.

4jaws fig1


4jaws table 1

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






V. Mounting a cylindrical centre chuck

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

1.K72 1000E CHUCKS adopt short cylindrical center mounting

2.indepnedent and adjustable ,suitable for machining all kind of special-shaped workpieces

3:Two-pieces jaw sets on request top Jaws with tongue groove conforming to ISO3442

Looking for ideal 4 Jaws 39Inch Lathe Chuck Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the 4Jaws Independent Chuck are quality guaranteed. We are China Origin Factory of 4jaw Metal Lathe Chukcs. If you have any question, please feel free to contact us.

Product Categories : Lathe Chuck > K72 Four Jaw Independent Chucks

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