5" 3 Jaw Self Centering Lathe Chuck w/Certificate TIR +2-1/4-8 Back Plate New L[

Description

SHARS 5" 3 Jaw Self Centering Lathe Chucks w/ Cert. TIR + 2-1/4-8 Back Plate New
For back plate you would not need to drill any mounting holes but you will need to turn the shoulder D1 down .040" to match the back of the lathe chuck to make the chuck & back plate more concentric with the lathe spindle and reach chuck's TIR
Each high quality chuck comes with a
certification
that documents
TIR
.
Product Code
202-5594+202-6234
Product description
Lathe Chuck:
Diameter: 5"
Thickness: 2.28"
Center hole: 1.18"
Bolt Circle Diameter: 4.25"
Runout: 0.003"
Max. Input Torque: 100 Nm
Back Plate:
Mounting Thread Size T: 2-1/4'' - 8
Shoulder Diameter D1: 3.78"
Bolt Circle Diameter D2: 4.25"
Hub Length C: 0.945''
Hub Diameter D: 2.17''
Flange Thickness B: 0.63''
Shoulder boss h: 0.1''
No. of Bolt Holes: 3
Product features
Semi-steel chuck body made from high quality cast iron
Each pinion is ground and hardened to HRC 43
Both sides of the jaw teeth and guides are ground and hardened to HRC 58-62
Each set of jaws are serialized in their own set
A serialized set of jaws are then finished, ground, and lapped on their designated chuck body which will be the same chuck body on the final assembly to achieve a greater accuracy
Before assembling the jaws to its designated chuck body, the jaws finish machining is performed on a close tolerance state of the art CNC machine from Japan
The scroll plate's thread flank are ground on both sides to achieve tighter contact with the master jaw
Each chuck has gone through rigorous accuracy and repeatability inspection by clamping and jamming multiple random testing rods or rings
Accuracy is maintained for the entire clamping range
Internal Jaw:
Clamping Range A-A1: 0.118-1.575"
Jamming Range B-B1: 1.575-5.118"
External Jaw
Clamping Range C-C1: 1.575-4.724"
Size (inch)
D (inch)
D1 (inch)
D2 bolt hole circle dia. (inch)
D3 (inch)
H (inch)
H1 (inch)
H2 (inch)
h (inch)
z-d (metric)
5
4.92
3.74
4.25
1.77
3.32
2.28
-
0.157
3M-8
Product includes
2 set of jaws: inside jaw set and outside jaw set
3 piece of mounting screws for the lathe chuck back plate
1 hexagon wrench
How to process back plate to guarantee Chuck's T.I.R?
Fully machined back plate can be mounted onto 5" 3 jaw or 4 jaw self centering lathe chuck (p/n 202-5594).
As long as back plate Shoulder Diameter 3.78"> chuck's D1, all 5" chuck will fit in.
All back plates have 0.04" allowance, please measure the size of Chuck's D1 before process your back plates. The size of back plates's D1 should be a little bit smaller than the size of Chuck's D1. Because the gap between back plate and chuck is smaller, chuck's TIR is better. No gap is the best.
D1 need to be processed before back plate can be mounted.
You would not need to drill any mounting holes but you will need to turn the shoulder down .040" to match the back of the lathe chuck to make the chuck & back plate more concentric with the lathe spindle. When turning the shoulder of the backing plate, ONLY TURN THE SHOULDER OF THE BACKING PLATE WHEN ATTACHED TO THE LATHE SPINDLE. If you use a chuck to clamp the backing plate and then turn it, the backing plate will not be true to the lathe spindle and will have more runout than specified when the chuck and back plate are put together.
Lathe
Lathe Chuck Diameter
BRAND
MODEL
SWING
SPINDEL THREAD
3"
4"
5"
6"
ATLAS
6"
1/2"-20
202-6231
ATLAS
10100
6"
1"-10
202-6107-6, 202-6107-3
ATLAS
TH42
10"
1 1/2"-8
202-6230
202-6108-6, 202-6108-3
202-6192
202-9106, 202-6119
ATLAS
5991
12"
1 1/2"-8
202-6230
202-6108-6, 202-9108-3
202-6192
202-6109, 202-6119
ATLAS
3986
12"
1 1/2"-8
202-6230
202-6108-6, 202-6108-3
202-6192
202-6109, 202-6119
EMCO MAIER
MAXIMAT V10
5"
M39X4MM
202-6214
202-6215, 202-6217
GRIZZLY
G8688
7"
3" FLANGE
GRIZZLY
G4000
9"
M39X4MM
202-6214
202-6215, 202-6217
HARBOR FREIGHT
33684
7"
3" FLANGE
HARBOR FREIGHT
45861(BV20)
9"
M39X4MM
202-6214
202-6215, 202-6217
HOMIER
03911
7"
3" FLANGE
JET
920N
9"
1 1/2"-8
202-6230
202-9108-6, 202-6108-3
202-6192
202-6109, 202-6119
KING
CH-920 AG
9"
M39X4MM
202-6214
202-6215, 202-6217
LOGAN
9"
1 1/2"-8
202-6230
202-9108-6, 202-6108-3
202-6192
202-6109, 202-6119
LOGAN
10"
1 1/2"-8
202-6230
202-9108-6, 202-6108-3
202-6192
202-6109, 202-6119
LOGAN
11"
2 1/4"-8
202-6234
202-6110, 202-6120
LOGAN
12'
2 1/4"-8
202-6234
202-6110, 202-6120
LOGAN
6510/6560
14"
2 1/4"-8
202-6234
202-6110, 202-6120
MICRO-MARK
82710
7"
3" FLANGE
MICRO-MARK
82500
7"
3" FLANGE
SEARS
101.07301
6"
1"-8
202-6106-6, 202-6106-3
SEARS
101.2899
12"
1 1/2"-8
202-6230
202-6106-6, 202-6106-3
202-6192
202-6109, 202-6119
SHELDON
WM-46-P
13"
2 1/4"-8
202-6234
202-6110, 202-6120
SHERLINE
ALL
3.5"
3/4"-16
202-6212
SIDNEY MACHINE
LOT 160
14"
2 1/4"-8
202-6234
202-6110, 202-6120
SOUTH BEND
CL187ZB
10"
2 1/4"-8
202-6234
202-6110
Related products
5" Fully Machined Threaded Back Plate 1-1/2"x8
p/n: 202-6192
5" Fully Machined Threaded Back Plate 2-1/4"x8
p/n:
202-6234
5" Fully Machined Threaded Back Plate 1"x10 For
p/n:
202-6261
elated products
5" Adapter Back Plate D1-3
p/n: 202-6121
5" Adapter Back Plate D1-4
p/n:
202-6122
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RETURNS:
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