Röhm ZS Hi-Tru

Lathe and grinding chucks
ZS Hi-Tru - with fine adjustment

APPLICATION
Optimized for machining workpieces which must be produced with maximum concentricity.
Can be universally used, but is especially advantageous on turning and grinding machines as well as dividing units.

TYPE
Lathe and grinding chuck in steel design with which the workpiece can be adjusted very sensitively to the desired concentricity via 3 tangentially arranged adjusting spindles.

TECHNICAL FEATURES
- Hardened spiral ring - Steel take-up flange	- With one set outside jaws and one set inside jaws - Hardened adjusting spindles as well as their support surfaces

CUSTOMER BENEFITS
» Radial fine adjustment for maximum concentricity
» Repeatability 0.015 mm
» Adjusting accuracy within 0.005 mm
» Precision adjustment without opening the mounting screws
» Jaws in chuck ground out for concentricity

FINE ADJUSTMENT

A09
ZS Hi-Tru, with one set outward stepped jaws and one set inward stepped jaws, DIN 6350, cylindrical centre mount, form A

Item no.	Size	ZA	Through-hole mm	Speed max. min^-1	Torque Nm	Total clamping force kN
180259	80	56	19	7000	30	13
180261	100	70	20	6300	60	27
180263	125	95	32	5500	80	31
180265	160	125	42	4600	110	47
180267	200	160	55	4000	140	55
180269	250	200	76	3000	150	63
180271	315	260	103	2300	180	69

On request from size 125 with 6-jaws or with short-taper mount to ISO 702-3 (DIN 55027) or ISO 702-2 (DIN 55029) Camlock
Further sizes and mountings available on request

A09
ZS Hi-Tru, with special seal, for grinding machines, DIN 6350, cylindrical centre mount, form A

Item no.	Size	ZA	Through-hole mm	Speed max. min^-1	Torque Nm	Total clamping force kN
180273	80	56		5000	30	13
180275	100	70		4500	60	27
180277	125	95	7	4000	80	31
180279	160	125	7	3600	110	47
180281	200	160	8	3000	140	55
180283	250	200	10	2500	150	63
180285	315	260	16	2000	180	69

On request from size 125 with 6-jaws or with short-taper mount to ISO 702-3 (DIN 55027) or ISO 702-2 (DIN 55029) Camlock

Jaws ZS Hi-Tru

A28
Inside jaw BB, DIN 6350, outward stepped jaw, hardened

Item no.	Chuck Size	Number of jaws	Contents of delivery	Jaw length mm	Jaw height mm	Jaw width mm
110155	80	3	set	37	26	12
110156	100	3	set	48	33.5	14
110157	125	3	set	52	41.5	18
110159	160	3	set	61	47.5	18
110160	200	3	set	69	53.5	20
110161	250	3	set	90	67.5	24
110162	315	3	set	130	79.5	34

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

A09
Outside jaw DB, DIN 6350, inward stepped jaw, hardened

Item no.	Chuck Size	Number of jaws	Contents of delivery	Jaw length mm	Jaw height mm	Jaw width mm
110165	80	3	set	37	26	12
110166	100	3	set	48	33.5	14
110167	125	3	set	52	41.5	18
110169	160	3	set	61	47.5	18
110170	200	3	set	69	53.5	20
110171	250	3	set	90	67.5	24
110016	315	3	set	130	79.5	34

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

A09
Unstepped jaw BL, DIN 6350, unstepped, soft, material 16MnCr5

Item no.	Chuck Size	Number of jaws	Contents of delivery	Jaw length mm	Jaw height mm	Jaw width mm
107588	80	3	set	37	26	12
107589	100	3	set	48	33.5	14
107590	125	3	set	52	41.5	18
107592	160	3	set	61	47.5	18
107593	200	3	set	69	53.5	20
107594	250	3	set	90	67.5	24
107595	315	3	set	130	79.5	34

A09
Base jaw GB, DIN 6350, with fixing screw

Item no.	Chuck Size	Number of jaws	Contents of delivery	Jaw length mm	Jaw width mm
107500	100	3	set	46	14
107501	125	3	set	55	18
107503	160	3	set	65	18
107504	200	3	set	78	20
107505	250	3	set	92	24
107506	315	3	set	108	34

A09
Reversible top jaws UB, DIN 6350, hardened tongue and groove for external and internal clamping, material 16 MnCr5

Item no.	Chuck Size	Number of jaws	Contents of delivery	Jaw length mm	Jaw height mm	Jaw width mm
108045	100	3	set	47	29.5	22
108046	125	3	set	56	37.5	26
107936	160	3	set	66.7	41.5	28
107937	200	3	set	79.5	42.5	30
108049	250	3	set	95.3	52.5	36
108050	315	3	set	109.5	57.5	42

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

A09
Unstepped top jaw AB, DIN 6350, soft, material 16MnCr5

Item no.	Chuck Size	Number of jaws	Contents of delivery	Jaw length mm	Jaw height mm	Jaw width mm
107633	100	3	set	53	30	22.5
107634	125	3	set	62	38	26.5
108581	160	3	set	74	42	28.5
108582	200	3	set	87	43	30.5
107637	250	3	set	103	53	36.5
107638	315	3	set	120	58	42.5

A09
Unstepped jaw BL, special length, soft, material 16MnCr5, DIN 6350

Item no.	Chuck Size	A1 mm	X1 max. mm	A mm	J mm	X max. mm
130031	200	100	50	69	32.5	19
132658	250	120	56	90	41	26
132184	315	160	70	130	46	40
130033	200	120	70	69	32.5	19
128880	250	140	76	90	41	26
118908	315	200	110	130	46	40
121367	315	250	160	130	46	40

A09
Unstepped jaw BL, special height, soft, material 16MnCr5, DIN 6350

Item no.	Chuck Size	C1 mm	J1 mm	C mm	J mm
125710	200	80	58.5	54	32.5
122188	250	100	73	68	41
132186	315	110	76	80	46
125712	200	120	98.5	54	32.5
122189	250	130	103	68	41
137096	315	140	106	80	46
125714	200	150	128.5	54	32.5
137102	250	150	123	68	41
137104	315	160	126	80	46

A09
Top jaw AB, special length, soft, material 16MnCr5, DIN 6350

Item no.	Chuck Size	A1 mm	X1 max. mm	F mm	A mm	X max. mm
110086	200	100	43	6.8	87	30
112122	250	130	63	8	103	36
110624	315	160	76	5.5	120	36
112120	200	120	63	6.8	87	30
125428	250	150	83	8	103	36
112091	315	200	116	5.5	120	36
104710	250	180	113	8	103	36
112089	315	250	166	5.5	120	36

A09
Top jaw AB, special height, soft, material 16MnCr5, DIN 6350

Item no.	Chuck Size	C1 mm	C mm	F mm
132155	200	60	43	6.8
119645	250	70	53	8
110435	315	80	58	5.5
128564	200	80	43	6.8
128571	250	100	53	8
110437	315	110	58	5.5
128573	250	150	53	8
128569	315	150	58	5.5

A09
Top jaw AB, special width and height, soft, material 16MnCr5, DIN 6350

Item no.	Chuck Size	B1 mm	C1 mm	B mm	C mm
105057	200	40	70	30.5	43
137090	250	50	80	36.5	53
143063	315	60	90	42	58
133259	200	50	80	30.5	43
133653	250	60	90	36.5	53
143057	315	80	110	42	58

C15
Mounting bolt for top jaws, bolt 1

Item no.	Size	Thread	Contents of delivery
249299	100	M 6 x 20	piece
236949	125	M 8 x 25	piece
334571	160/200	M 8 x 30	piece
233025	250	M 12 x 40	piece
233026	315	M 12 x 45	piece

C15
Mounting bolt for top jaws, bolt 2

Item no.	Size	Thread	Contents of delivery
216528	100	M 6 x 16	piece
233058	125/160/200	M 8 x 20	piece
227692	250	M 12 x 25	piece
233030	315	M 12 x 30	piece

Accessories ZS Hi-Tru

A09
Base plates for lathe chucks with cylindrical centre mount, DIN 6350

Item no.	Size	A1 mm	B mm	L mm	N mm	E mm	I mm
162793	160	240	-	14	212	42	27
162401	200	280	-	14	252	55	27
163036	250	330	-	18	303	76	27
133705	315	386	320	18	354	103	27
133706	400	470	405	18	438	136	27

C15
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

A09
Chip guard, piece


Item no.	Size	Contents of delivery
108500	80/85	piece
108501	100/110	piece
108502	125	piece
108503	140/160	piece
108504	200	piece
108505	250	piece
108506	315/350/400	piece

A09
Driving pinion


Item no.	Size	Hexagon
178473	100	9
178474	110	9
178475	125	10
178476	140	10
178477	160	11
178478	200	12
178480	250	14
178482	315	17

C15
Scroll


	Item no.	Size
	102183	80/85
	101754	100
	101721	125
	100303	160
	100003	200
	100203	250
	101552	315

A09
Standard key


Item no.	Size	Square	Length mm
107426	80/85	6	62
107427	100/110	8	75
107428	125/140	9	80
107429	160	10	90
107430	200/230	11	100
107431	250/270	12	100
107432	315	14	110

A09
Pinion holder screw


	Item no.	Size
	102185	85
	100305	100/125/160
	100006	200/250
	101554	315

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

A09
Safety key with ejector


Item no.	Size	Square	Length mm
154370	80/85	6	110
154371	100/110	8	130
154372	125/140	9	130
154373	160	10	160
154374	200/230	11	160
154375	250/270	12	160
154376	315	14	200

A09
Elongated safety key with ejector


Item no.	Size	Square	Length mm
154683	125/140	9	170
154685	160	10	180
154687	200/230	11	200
154689	250/270	12	200
154695	315	14	250

A09
Safety adapter with ejector
For actuating the chuck with torque (defined torque introduction)


Item no.	Size	Square	Inch
178566	80/85	6	3/8
178567	100/110	8	1/2
178568	125/140	9	1/2
178569	160	10	1/2
178570	200/230	11	1/2
178571	250/270	12	1/2
178572	315/350	14	1/2

A26
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%

A26
Mounting screws For cylindrical centre rim


Item no.	Size	Thread	Contents of delivery
249299	74-85	M 6 x 20	piece
334571	100-140	M 8 x 30	piece
249301	160-230	M 10 x 35	piece
233025	250-270	M 12 x 40	piece
220565	315-350	M 16 x 50	piece

We reserve the right to make technical changes.