Division Table Chart for the Dividing Head

Hello friends, in this post I want to share with you information and a table chart for the dividing head.
Below I show a Division Table Chart for the Dividing Head considering the following aspects:

• They are performed with the normal or conventional dividing heads ratio which is 40 to 1.
• The drilled plates are the standard type, meaning the most common ones in the dividing heads which are:
  • Plate No.1: 24; 25; 28; 30; 37; 38; 39; 41; 42; 43 holes and
  • Plate No.2: 46; 47; 49; 51; 53; 54; 57; 58; 59; 62; 66 holes.

In the table chart, we have to locate the number of divisions we want to perform and in the row, the number of turns of the dividing head’s crank, the number of holes or drilled holes in the plate, and the number of holes to be located with the dividing heada’s arms are located.

Divisions Table Chart No. 1

Number of Divisions for Making	Number of Turns of the Dividing Head’s Crank	Number of Holes in the Plate	Holes
2	20
3	13	24	8
4	10
5	8
6	6	24	16
7	5	28	20
8	5
9	4	54	24
10	4
11	3	66	42
12	3	24	8
13	3	39	3
14	2	49	42
15	2	24	16
16	2	24	12
17	2	34	12
18	2	54	12
19	2	38	4
20	2
21	1	42	38
22	1	66	54
23	1	46	34
24	1	24	16
25	1	25	15
26	1	39	21
27	1	54	26
28	1	42	18
29	1	58	22
30	1	24	8
31	1	62	18
32	1	28	7
33	1	66	14
34	1	34	6
35	1	28	4
36	1	54	6
37	1	37	3
38	1	38	2
39	1	39	1
40	1
41		41	40
42		42	40
43		43	40
44		66	60
45		54	48
46		46	40
47		47	40
48		24	20
49		49	40
50		25	20
51		51	40
52		39	30
53		53	40
54		54	40
55		66	48
56		28	20
57		57	40
58		58	40
59		59	40
60		42	28
62		62	40
64		24	15
65		39	24
66		66	40
68		34	20
70		28	16
72		54	30
74		37	20
75		30	16
76		38	20
78		39	20
80		34	17
82		41	20
84		42	20
85		34	16
86		43	20
88		66	30
90		54	24
92		46	20
94		47	20
95		38	16
96		24	10
98		49	20
100		25	10
102		51	20
104		39	15
105		42	16
106		53	20
108		54	20
110		66	24
112		28	10
114		57	20
115		46	16
116		58	20
118		59	20
120		66	22
124		62	20
125		25	8
130		39	12
132		66	20
135		54	16
136		34	10
140		28	8
144		54	15
145		58	16
148		37	10
150		30	8
152		38	10
155		62	16
156		39	10
160		28	7
164		41	10
165		66	16
168		42	10
170		34	8
172		43	10
176		66	15
180		54	12
184		46	10
185		37	8
188		47	10
190		38	8
192		24	5
195		39	8
196		49	10
200		30	6
204		51	10
205		41	8
210		42	8
212		53	10
215		43	8
216		54	10
220		66	12
224		28	5
228		57	10
230		46	8
232		58	10
235		47	8
236		59	10
240		66	11
245		49	8
248		62	10
250		25	4
255		51	8
260		39	6
264		66	10
270		54	8
272		34	5
280		28	4
290		58	8
296		37	5
300		30	4
304		38	5
310		62	8
312		39	5
320		24	3
328		41	5
330		66	8
336		42	5
340		34	4
344		43	5
360		54	6
370		37	4
376		47	5
380		38	4
390		39	4
392		49	5
400		30	3

You may also be interested in: Gear Train – Concepts and Calculation.

There are also other types of dividing heads that are very common and are accompanied by 3 divided plates, as follows:

Plate No.1: 15; 16; 17; 18; 19; 20 holes,
Plate No.2: 21; 23; 27; 29; 31; 33 holes and
Plate No.3: 37; 39; 41; 43; 47 and 49 holes.

Divisions Table Chart No. 2

Number of Divisions for Making	Number of Turns of the Dividing Head's Crank	Number of Holes in the Plate	Holes
2	20
3	13	15	5
4	10
5	8
6	6	15	10
7	5	21	15
8	5
9	4	18	8
10	4
11	3	33	21
12	3	15	5
13	3	39	3
14	2	21	18
15	2	15	10
16	2	16	8
17	2	17	6
18	2	18	4
19	2	19	2
20	2
21	1	21	19
22	1	33	27
23	1	23	17
24	1	15	10
25	1	15	9
26	1	39	21
27	1	27	13
28	1	21	9
29	1	29	11
30	1	15	5
31	1	31	9
32	1	16	4
33	1	33	7
34	1	17	3
35	1	21	3
36	1	18	2
37	1	37	3
38	1	19	1
39	1	39	1
40	1
41		41	40
42		21	20
43		43	40
44		33	30
45		18	16
46		23	20
47		47	40
48		18	15
49		49	40
50		15	12
52		39	30
54		27	20
55		33	24
56		21	15
58		29	20
60		15	10
62		31	20
64		16	10
65		39	24
66		33	20
68		17	10
70		21	12
72		18	10
74		37	20
75		15	8
76		19	10
78		39	20
80		16	8
82		41	20
84		21	10
85		17	8
86		43	20
88		33	15
90		18	8
92		23	10
94		47	20
95		19	8
98		49	20
100		15	6
104		39	15
105		21	8
108		27	10
110		33	12
115		23	8
116		29	10
120		15	5
124		31	10
130		39	12
132		33	10
135		27	8
136		17	5
140		21	6
145		29	8
148		37	10
150		15	4
152		19	5
155		31	8
156		39	10
160		20	5
164		41	10
165		33	8
168		21	5
170		17	4
172		43	10
180		18	4
184		23	5
185		37	8
188		47	10
190		19	4
195		39	8
196		49	10
200		15	3
205		41	8
210		21	4
215		43	8
216		27	5
220		33	6
230		23	4
232		29	5
235		47	8
240		18	3
245		49	8
248		31	5
260		39	6
264		33	5
270		27	4
280		21	3
290		29	4
296		37	5
300		15	2
310		31	4
320		16	2
328		41	5
330		33	4
340		17	2
344		43	5
360		18	2
370		37	4
376		47	5
380		19	2
390		39	4
392		49	5
400		20	2

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