Röhm DURO-TA

Key bar chucks with quick jaw change system
DURO-TA - sealed design

APPLICATION
Specially for grinding machines.
Optimized for extremely high clamping forces, maximum concentricity, as well as reliable long-term repeatability.

TYPE
Key bar chuck with quick jaw change system.
Guaranteed maximum jaw precision as far as these are only used on the same chuck, and base and top jaws are kept screwed on for recurring work.

TECHNICAL FEATURES
- With jaw safeguard - Chuck body completely surface-hardened - Visual marking for quick jaw adjustment - External shape incl. splash-water edge	- Fastening options for strongly stressed sliding surfaces - Incl. safety key - High corrosion protection

CUSTOMER BENEFITS
» Maximum clamping force thanks to key bar system
» With cover for protection against dust on the face
» Very high jaw change repeatability

A08
Cylindrical centre mount

Size	Inch	With base jaws	With inside and outside jaw	D mm	Speed max. min^-1	Max. Torque Nm	Max. total clamping force kN
160	6 1/4	439606	439605	63	5400	120	73
200	8	439608	439607	81	4600	155	114
250	10	439610	439609	92	4200	190	185

Further sizes and mountings available on request

Jaws DURO-TA

A28
Outside jaw DB, set, inward stepped jaw, hardened

Item no.	Chuck Size	Contents of delivery	Jaw width mm
329041	180	set	20
329042	200	set	22
329043	250	set	26

Additionally or later applied, hardened stepped jaws must be ground out in the chuck.
For jaws which are applied later, send in the chuck.

A28
Inside jaw BB, set, outward stepped jaw, hardened

Item no.	Chuck Size	Contents of delivery	Jaw width mm
329038	160	set	20
329039	200	set	22
329040	250	set	26

Additionally or later applied, hardened stepped jaws must be ground out in the chuck.
For jaws which are applied later, send in the chuck.

A28
Unstepped top jaw AB, 3-jaw set, soft, material 16MnCr5

Item no.	Chuck Size	Contents of delivery	Jaw length mm	Jaw height mm	Jaw width mm
329044	160	set	90	36.5	20.3
329045	200	set	100	40	22
094010	250	set	125	50	30

A28
Base jaw GB, 3-jaw set, hardened, with mounting bolts

Item no.	Chuck Size	Contents of delivery	Jaw length mm	Jaw height mm	Jaw width mm
329047	160	set	74	8	20
329048	200	set	90	10	22
329049	250	set	110	12	26

C15
Jaw mounting bolt, piece

Item no.	Size	Thread	Contents of delivery
200182	160 / 200	M 8 x 1 x 22	piece
200183	250	M 12 x 1.5 x 30	piece

Accessories DURO-TA

A08
Base plate with fixing slots
Complete with mounting screws and fixed
T-slot nuts. Other sizes available on request.


	Item no.	Size
	143163	160
	143165	200
	143167	250

A08
Key


Item no.	Size	Square	L mm
094016	160	10	140
094017	200	12	160
094018	250	14	220
Only for stationary used chucks

A08
Safety key


Item no.	Size	Square	L mm
242173	160	10	140
242174	200	12	160
242175	250	14	220
Corresponding with DIN 1550 for rotating chucks

A08
Torque wrench


Item no.	Torque Nm	Length mm	Output	Working accuracy
10004116	20-120	435	12.7=1/2“	3%
10004117	60-320	659	12.7=1/2“	3%

A08
Chip guard set


Item no.	Size	Contents of delivery
236439	160	set
236440	200	set
236441	250	set

A08
Safety adapter


Item no.	Size	Square	Length mm	Mount
1333587	160	10	120	1/2“
1293349	200	12	132	1/2“
1129759	250	14	186	1/2“

A08
Special grease F80 for lathe chucks for lubrication and conservation of chucking power


Item no.	Design	Contents
308555	Cartridge (DIN 1284) Ø 53.5 x 235mm	0.5 kg
028975	Tin	1 kg

C15
Grease gun DIN1283


Item no.	Connection	Contents of delivery
329093	M10x1	150 mm nozzle tube bent, needlepoint mouthpiece, top mouthpiece, 300 mm high pressure hose with 4 jaw hydraulics cross mouthpiece

We reserve the right to make technical changes.