GP SYSTEM (SINGAPORE) PTE LTD - ROHM [Product 3: Lathe and Grinding Chuck ZG Hi-Tru]

Lathe and Grinding Chuck ZG Hi-Tru
with radial precision adjustment for top concentricity
one-piece-jaws, with scroll, DIN 6350, self-centering
three-jaw chucks, cast iron body

The ZG Hi-Tru hand-operated lathe chuck is most suitable
for the production of components with top concentricity.
It is for universal use, however particularly advantageous
for grinding machines, dividing apparatus and turning
machines. Handling is very simple. The clamped work-
piece is adjusted to the required concentricity by means
of 3 tangentially arranged adjusting spindles.

	self-centering with the aid of scroll & pinion adjusting accuracy within 0.005 mm repeatability 0.015 mm precision adjustment without opening the mounting screws hardened adjusting spindles induction hardened support surface for adjusting spindle steel adapter plate with 1 set each outside and inside jaws
Delivery includes: 1 set of outward stepped jaws (BB) (mounted in the chuck) 1 set of inward stepped jaws (DB) 1 operating key, mounting bolts

DIN 6350 Cylindrical centre mount, Form A

size A	inch	bore E	3-jaw cast iron body Part No.	B^+0.02	C	D	F	G	SW	approx weight
Type 306-00 with 1 set each outward or inward stepped jaws
80	3¼	19	146195	56	3	50.5	67	3xM6	4	1.7 kg
100	4	20	146196	70	3	63	83	3xM8	5	3.6 kg
125	5	32	145118	95	4	72	108	3xM8	5	5.6 kg
160	6¼	42	145119	125	4	81	140	3xM10	6	10 kg
200	8	55	144749	160	4	89.5	176	3xM10	6	17.2 kg
250	10	76	145120	200	5	102	224	3xM12	8	34.5 kg
315	12½	103	143545	260	5	122	286	3xM16	8	57.5 kg
Type 306-04 with special seal for grinding machines
80	3¼	—	146197	56	3	50.5	67	3xM6	4	1.7 kg
100	4	—	146198	70	3	63	83	3xM8	5	3.6 kg
125	5	7	144957	95	4	72	108	3xM8	5	5.6 kg
160	6¼	7	145116	125	4	81	140	3xM10	6	10 kg
200	8	8	145110	160	4	89.5	176	3xM10	6	17.2 kg
250	10	10	145117	200	5	102	224	3xM12	8	34.5 kg
315	12½	16	146199	260	5	122	286	3xM16	8	57.5 kg
on request with 6 jaws or with short-taper mount to DIN 55027 or DIN 55029 Camlock

Clamping Jaws
Stepped and hardened jaws, supplied as supplement
or as spares, must be ground on the chuck

      Inside jaw
      outward stepped
      hardened BB set
       [Jaw BB]

size	3-jaws Part No.	4-jaws Part No.
74¹⁾	110154	—
80/85	110155	110063
100/110	110156	110064
125	110157	110065
140	110158	110066
160	110159	110067
200	110160	110068
250	110161	110069
315	110162	110070
350/400	110163	110071
500/630	110164	110072
1) - reversible jaws for use as turning or boring jaws

      Outside jaw
      inward stepped
      hardened DB set
       [Jaw DB]

size	3-jaws Part No.	4-jaws Part No.
74¹⁾	—	—
80/85	110165	110073
100/110	110166	110074
125	110167	110075
140	110168	110076
160	110169	110077
200	110170	110078
250	110171	110079
315	110016	110080
350/400	110017	110081
500/630	110018	110082
1) - reversible jaws for use as turning or boring jaws

      Unstepped block jaw
      soft BL set
      material 16MnCr5
       [Jaw BL]

size	3-jaws Part No.	4-jaws Part No.
74	109114	—
80/85	107588	107598
100/110	107589	107599
125	107590	107600
140	107591	107601
160	107592	107602
200	107593	107603
250	107594	107604
315	107595	107605
350/400	107596	107644
500/630	107597	107645

      Unstepped top jaw
      soft AB set
      material 16MnCr5
       [Jaw AB]

size	2-jaws Part No.	3-jaws Part No.	4-jaws Part No.
100/110	109497	107633	107641
125	109498	107634	107642
140/160	109499	108581	108583
200	109501	108582	108584
250	109502	107637	107579
315	109503	107638	107580
350/400	109504	107639	107581
500/630	—	107640	107582

      Reversible top jaw
      hardened UB set
       [Jaw UB]

size	3-jaws Part No.	4-jaws Part No.
100/110	108045	108053
125	108046	108054
140/160	107936	107938
200	107937	107939
250	108049	108057
315	108050	108058
350/400	108051	108059
500/630	108052	108060

      Base jaw with
      mounting bolts GB set
       [Jaw GB]

size	2-jaws Part No.	3-jaws Part No.	4-jaws Part No.
100/110	108950	107500	107542
125	108951	107501	107543
140	108952	107502	107544
160	108953	107503	107545
200	108954	107504	107546
250	108955	107505	107547
315	108956	107506	107548
350/400	108957	107507	107549
500	—	107508	107550
630	—	107509	107551

Special Clamping Jaws (DIN 6350)

         Special Block jaw, differing in height
         soft BL set, material 16MnCr5
          [Jaw BL]

size	3-jaws Part No.	4-jaws Part No.	normal jaws			special jaws
	Type 301	Type 401	A	Xmax.	J	A₁	X₁max.
200	130031	137073	69	19	32.5	100	50
250	132658	137074	90	26	41	120	56
315	132184	129894	130	40	46	160	70
350+400	137075	130442	130	40	42	160	70
500+630	131540	137076	190	50	55	220	80
						A₂	X₂
200	130033	137077	69	19	32.5	120	70
250	128880	130610	90	26	41	140	76
315	118908	137078	130	40	46	200	110
350+400	137079	137080	130	40	42	200	110
500+630	137081	137082	190	50	55	280	140
						A₃	X₃
315	121367	133691	130	40	46	250	160
350+400	137087	137088	130	40	42	250	160

         Special Block jaw, differing in height
         soft BL set, material 16MnCr5
          [Jaw BL]

size	3-jaws Part No.	4-jaws Part No.	normal jaws		special jaws
	Type 301	Type 401	C	J	C₁	J₁
200	125710	132972	54	32.5	80	58.5
250	122188	134796	68	41	100	73
315	132186	137091	80	46	110	76
350+400	137092	131655	80	42	110	72
500+630	137093	137094	95	55	150	110
					C₂	J₂
200	125712	137095	54	32.5	120	98.5
250	122189	130630	68	41	130	103
315	137096	137097	80	46	140	106
350+400	137098	137099	80	42	140	102
500+630	125117	137100	95	55	200	160
					C₃	J₃
200	125714	137101	54	32.5	150	128.5
250	137102	137103	68	41	150	123
315	137104	130340	80	46	160	126
350+400	132879	110109	80	42	160	122

         Special Top jaw, differing in length
         soft AB set, material 16MnCr5
          [Jaw AB]

size	3-jaws Part No.	4-jaws Part No.	normal jaws			special jaws
	Type 302	Type 402	A	Xmax.	F	A₁	X₁max.
200+230	110086	148139	87	30	6.8	100	43
250+270	112122	129289	103	36	8	130	63
315	110624	143764	120	36	5.5	160	76
350+400	110626	141277	137	30	8.5	160	53
500+630	103014	103393	140	45	8.5	170	75
						A₂	X₂max
200+230	112120	148657	87	30	6.8	120	63
250+270	125428	128700	103	36	8	150	83
315	112091	147754	120	36	5.5	200	116
350+400	112118	141263	137	30	8.5	200	93
500+630	110632	148234	140	45	8.5	220	125
						A₃	X₃max
250+270	104710	146013	103	36	8	180	113
315	112089	147860	120	36	5.5	250	166
350+400	103654	149974	137	30	8.5	260	153
500+630	112127	148235	140	45	8.5	280	185

         Special Top jaw, differing in height
         soft AB set, material 16MnCr5
          [Jaw AB]

size	3-jaws Part No.	4-jaws Part No.	normal jaws		special jaws
	Type 302	Type 402	C	F	C₁
200+230	132155	132181	43	6.8	60
250+270	119645	135867	53	8	70
315	110435	149975	58	5.5	80
350+400	126385	118373	65	8.5	90
500+630	128590	149985	80	8.5	100
					C₂
200+230	128564	149976	43	6.8	80
250+270	128571	134999	53	8	100
315	110437	129691	58	5.5	110
350+400	110628	135426	65	8.5	120
500+630	110630	149977	80	8.5	130
					C₃
250+270	128573	149978	53	8	150
315	128569	141671	58	5.5	150
350+400	128567	139591	65	8.5	160
500+630	128588	140427	80	8.5	160

         Special Top jaw, differing in width and height
         soft AB set, material 16MnCr5
          [Jaw AB]

size	3-jaws Part No.	4-jaws Part No.	normal jaws		special jaws
	Type 302	Type 402	B	C	B₁	C₁
200+230	105057	105061	30.5	43	40	70
250	137090	141338	36.5	53	50	80
315	143053	149979	42	58	60	90
350+400	131567	149980	42.5	65	60	90
500+630	137084	149981	50.5	80	80	110
					B₂	C₂
200+230	133259	149982	30.5	43	50	80
250	133653	137526	36.5	53	60	90
315	143057	149983	42	58	80	110
350+400	137086	149984	42.5	65	80	110

  Special Grease F80
  for lubrication and
  conservation of
  chucking power

Part No.	weight approx.
304345	250 g
028975	1.000 kg

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