Jaw Lathe

how can I center a thee jaw lathe chuck?

If it is not centering by itself, the first thing to do is clean it thoroughly, particularly the scroll and mounting surfaces. If it is dramatically off, check that the jaws are in the correct slots.
If after that it is still off, you might consider grinding the jaws, but if the scroll is worn, that may only correct for one diameter.

Discover Jaw Lathe On eBay Below:

NOVA JS25N 25mm 1 Inch Chuck Accessory Jaw Set
NOVA JS25N 25mm 1 Inch Chuck Accessory Jaw Set
$31.15
Skinner Chuck Co 4 Jaw Chuck South Bend Lathe WKS 4206 scroll chuck
Skinner Chuck Co 4 Jaw Chuck South Bend Lathe WKS 4206 scroll chuck
$200.00
GENERIC 4 JAW LATHE CHUCK 10 THREADED TYPE
GENERIC 4 JAW LATHE CHUCK 10 THREADED TYPE
$399.99
NOVA JS100N 100mm Chuck Accessory Jaw Set
NOVA JS100N 100mm Chuck Accessory Jaw Set
$61.81
Pratt 12 3 Jaw Scroll Lathe Chuck L2 L 2 long taper mount Bison Buck loc T1
Pratt 12 3 Jaw Scroll Lathe Chuck L2 L 2 long taper mount Bison Buck loc T1
$325.00
4 SET BORING MILL JAWS FOR PARALLEL TEE SLOT TABLES 29075
4 SET BORING MILL JAWS FOR PARALLEL TEE SLOT TABLES 29075
$3,750.00
Buck 50 6 Jaw Lathe Chuck with Hardinge Adaptor Plate and Several Jaw Sets
Buck 50 6 Jaw Lathe Chuck with Hardinge Adaptor Plate and Several Jaw Sets
$999.99
H  R Mfg 149 4 AL Aluminum Soft Jaws 60deg Lathe Chuck 8 Diameter NEW
H R Mfg 149 4 AL Aluminum Soft Jaws 60deg Lathe Chuck 8 Diameter NEW
$131.85
USED Buck 8 6 Jaw Lathe Chuck w LO Type Back Plate CD
USED Buck 8 6 Jaw Lathe Chuck w LO Type Back Plate CD
$850.00
6 6 JAW SELF CENTERING LATHE CHUCK w topbottom jaws 0003 TIR new
6 6 JAW SELF CENTERING LATHE CHUCK w topbottom jaws 0003 TIR new
$175.00
Easy Wood Tools T25650 1 3 8 Inch Easy Dovetail Jaws
Easy Wood Tools T25650 1 3 8 Inch Easy Dovetail Jaws
$59.99
12 3 JAW SELF CENTERING LATHE CHUCK D1 6 MOUNTING new
12 3 JAW SELF CENTERING LATHE CHUCK D1 6 MOUNTING new
$358.00
Nova Lathes 35MM 137 Bowl Chuck Accessory Jaw Set 6019 New
Nova Lathes 35MM 137 Bowl Chuck Accessory Jaw Set 6019 New
$43.95
Nova Lathes 6014 75MM 3 Bowl Chuck Accessory Jaw Set New
Nova Lathes 6014 75MM 3 Bowl Chuck Accessory Jaw Set New
$63.50
BTC 8 4 Jaw D1 3 Independent Lathe Chuck 2 PIECE JAWS REVERSIBLE
BTC 8 4 Jaw D1 3 Independent Lathe Chuck 2 PIECE JAWS REVERSIBLE
$539.00
Bison Lathe Chuck Hard Top Jaw for Scroll Chuck 6 in 3 Jaw 3 Piece Set 7 883 306
Bison Lathe Chuck Hard Top Jaw for Scroll Chuck 6 in 3 Jaw 3 Piece Set 7 883 306
$265.00
Bison Lathe Chuck Hard Top Jaw for Scroll 20 in 3 Jaw 3 Piece Set 7 883 320
Bison Lathe Chuck Hard Top Jaw for Scroll 20 in 3 Jaw 3 Piece Set 7 883 320
$795.00
USED SET OF 3 SCROLL LATHE CHUCK HARD JAWS 787 Jaw width
USED SET OF 3 SCROLL LATHE CHUCK HARD JAWS 787 Jaw width
$25.00
Gibraltar Operating Screw for 20 Independent 4 Jaw Lathe Chucks
Gibraltar Operating Screw for 20 Independent 4 Jaw Lathe Chucks
$47.52
Bison Lathe Chuck Hard Top Jaw for Scroll 5 in 6 Jaw 6 Piece Set 7 883 605
Bison Lathe Chuck Hard Top Jaw for Scroll 5 in 6 Jaw 6 Piece Set 7 883 605
$425.00
Bison Lathe Chuck Hard Top Jaw for Scroll 8 in 6 Jaw 6 Piece Set 7 883 608
Bison Lathe Chuck Hard Top Jaw for Scroll 8 in 6 Jaw 6 Piece Set 7 883 608
$595.00
Bison Lathe Chuck Hard Top Jaw for Scroll 10 in 6 Jaw 6 Piece Set 7 883 610
Bison Lathe Chuck Hard Top Jaw for Scroll 10 in 6 Jaw 6 Piece Set 7 883 610
$685.00
Bison Lathe Chuck Hard Top Jaw for Scroll 12 in 6 Jaw 6 Piece Set 7 883 612
Bison Lathe Chuck Hard Top Jaw for Scroll 12 in 6 Jaw 6 Piece Set 7 883 612
$849.00
Bison Lathe Chuck Hard Top Jaw for Scroll 16 in 6 Jaw 6 Piece Set 7 883 616
Bison Lathe Chuck Hard Top Jaw for Scroll 16 in 6 Jaw 6 Piece Set 7 883 616
$1,199.00
Bison Lathe Chuck Hard Top Jaw for Scroll 20 in 6 Jaw 6 Piece Set 7 883 620
Bison Lathe Chuck Hard Top Jaw for Scroll 20 in 6 Jaw 6 Piece Set 7 883 620
$2,299.00
SET OF 3 USED TONGUE  GROOVE LATHE CHUCK SOFT JAWS 200 Jaw Width
SET OF 3 USED TONGUE GROOVE LATHE CHUCK SOFT JAWS 200 Jaw Width
$25.00
10 3 Jaw Power Chuck CNC Lathe 1 1 8 3 Through Hole
10 3 Jaw Power Chuck CNC Lathe 1 1 8 3 Through Hole
$750.00
SHARS 16 3 Jaw 2 Pcs Reversible Self Centering Lathe Chuck Plain Back w Cert
SHARS 16 3 Jaw 2 Pcs Reversible Self Centering Lathe Chuck Plain Back w Cert
$487.95
MACHINIST MILL LATHE TOOL Skinner 4 Jaw 12 Lathe Chuck No 912 A Threaded
MACHINIST MILL LATHE TOOL Skinner 4 Jaw 12 Lathe Chuck No 912 A Threaded
$297.49
15 3 Jaw D1 8 Cam Lock Lathe Chucks
15 3 Jaw D1 8 Cam Lock Lathe Chucks
$895.00
8 Engraved aluminum soft lathe jaws 15 x 2 x full 4 Haas Mori Kitagawa
8 Engraved aluminum soft lathe jaws 15 x 2 x full 4 Haas Mori Kitagawa
$39.99
Summit 23 4x160 Engine Lathe w 3 jaw 16 chuck chip pans steady rest
Summit 23 4x160 Engine Lathe w 3 jaw 16 chuck chip pans steady rest
$10,900.00
Gator 28 4 Jaw Independent Forged Steel Lathe Chuck w Large Thru Hole A2 Mount
Gator 28 4 Jaw Independent Forged Steel Lathe Chuck w Large Thru Hole A2 Mount
$7,000.00
Bison 25 4 Jaw 2 Piece Independent Steel Lathe Chuck w A2 15 Spindle Mount
Bison 25 4 Jaw 2 Piece Independent Steel Lathe Chuck w A2 15 Spindle Mount
$6,500.00
Gator 25 3 Jaw 2 Piece Self Centering Semi Steel Lathe Chuck w D1 11 Mount
Gator 25 3 Jaw 2 Piece Self Centering Semi Steel Lathe Chuck w D1 11 Mount
$4,220.00
TMX 8 3 Jaw Universal Semi Steel Lathe Chuck w Camlock D Mount
TMX 8 3 Jaw Universal Semi Steel Lathe Chuck w Camlock D Mount
$359.95
Proxxon 27024 4 Jaw Chuck for Micro Wood Turning Lathe DB 250
Proxxon 27024 4 Jaw Chuck for Micro Wood Turning Lathe DB 250
$49.83
4 Jaw Skinner Lathe Chuck w Seneca Falls Plate 1 7 16 x 12 TPI Mount 4275
4 Jaw Skinner Lathe Chuck w Seneca Falls Plate 1 7 16 x 12 TPI Mount 4275
$149.99
HEAVY DUTY 12 THREE JAW LATHE CHUCK w A1 6 MOUNT
HEAVY DUTY 12 THREE JAW LATHE CHUCK w A1 6 MOUNT
$699.99

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