KON7

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Automated construction and calculation of machining dimensions

KON7 (C) Kalachev O.N., 2000 (v.116_120 D1 zz GRA HA) Okalachev@mail.ru

 

User's text Bogoyawlenskiy Nikolay

Table 1

HELP on http://tms.ystu.ru . Initial data (check entry accuracy!)

Workpiece characteristic:

Material.................. Cast iron

Obtaining method.......... Molding. cast-iron&steel

Accuracy class............ 2

Guide overall dimension, mm 140.000

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Closure branchs | Component branchs - A: | C | Tolerance

P-design dim., Z-allowances | workpiece dim.<---> & machining dim.O--> | r | deviation

--------------------------------------------------------------------------| o | <from user>,

Bran|Surface| Limiting values |Bran|Surface| Processing technique |Bas-| s | mm

chs |P: l-r |-----------------|chs | <---> | |ic | s | ------------

|Z: n-o | max | min | |base-->| |syst|dim.| upper |lower

---------------------------------------------------------------------------------------------

P1 | 4 13| 104.500| 104.280|A1 | 1 15|Molding. cast-iron&steel |shft| 140| 0.000| 0.000

P2 | 4 7| 5.450| 5.402|A2 | 1 12|Molding. cast-iron&steel |shft| 79| 0.000| 0.000

P3 | 4 11| 71.650| 71.604|A3 | 8 12|Molding. cast-iron&steel |shft| 16| 0.000| 0.000

P4 | 4 10| 66.850| 66.776|A4 | 1 5|Molding. cast-iron&steel |shft| 3| 0.000| 0.000

Z1 | 1 2| 0.000| 0.000|A5 | 1 11|Turning fr. rough surf. |shft| 77| 0.000| 0.000

Z2 | 2 3| 0.000| 0.000|A6 | 11 2|Turning rough |shft| 74| 0.000| 0.000

Z3 | 3 4| 0.000| 0.000|A7 | 11 3|Turning finish |shft| 72| 0.000| 0.000

Z4 | 5 6| 0.000| 0.000|A8 | 3 6|Turning rough |hole| 5| 0.000| 0.000

Z5 | 6 7| 0.000| 0.000|A9 | 11 4|Turning precision |shft| 72| 0.000|-0.046

Z6 | 8 9| 0.000| 0.000|A10 | 4 7|Turning precision |hole| 5| 0.000| 0.000

Z7 | 9 10| 0.000| 0.000|A11 | 4 9|Turning rough |hole| 68| 0.000| 0.000

Z8 | 11 12| 0.000| 0.000|A12 | 4 10|Turning precision |shft| 67| 0.000| 0.000

Z9 | 13 14| 0.000| 0.000|A13 | 4 14|Turning rough |shft| 108| 0.000| 0.000

Z10 | 14 15| 0.000| 0.000|A14 | 4 13|Turning finish |shft| 105| 0.000| 0.000

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Table 2

The results of denominate dimension chain's equation and consecution of its solution

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Solution|Unknown| Equations in character form

# |branch |

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1 | A14 | P1=+A14

2 | A10 | P2=+A10

3 | A9 | P3=+A9

4 | A12 | P4=+A12

5 | A7 | Z3=-A9+A7

6 | A11 | Z7=-A11+A12

7 | A13 | Z9=-A14+A13

8 | A6 | Z2=-A7+A6

9 | A8 | Z5=-A8-A9+A7+A10

10 | A5 | Z1=-A6+A5

11 | A4 | Z4=-A4-A7+A5+A8

12 | A2 | Z8=-A5+A2

13 | A1 | Z10=-A5-A13+A1+A9

14 | A3 | Z6=-A2-A9+A3+A5+A11

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** Internal results ** KON7 (C) Kalachev O.N., 2000

Chain # 1 - type "P", unknown branch A14 -----------------------------------

c o n t e n t of c h a i n:

. branch A14 : max= 0.000 min= 0.000

closed branch - design dimension P1 : max= 104.500 min= 104.280

r e s u l t s of c a l c u l a t i o n:

value of branch A14 : max= 104.500 min= 104.280

hense, calculated tolerance = 0.220

machine tolerance for branch from DBase of KON7

value= 0.140 : upper= 0.140 lower= 0.000

A14 . :

nominal= 104.500 max= 104.500 min= 104.361

Chain # 2 - type "P", unknown branch A10 -----------------------------------

c o n t e n t of c h a i n:

. branch A10 : max= 0.000 min= 0.000

closed branch - design dimension P2 : max= 5.450 min= 5.402

r e s u l t s of c a l c u l a t i o n:

value of branch A10 : max= 5.450 min= 5.402

hense, calculated tolerance = 0.048

machine tolerance for branch from DBase of KON7

value= 0.045 : upper= 0.045 lower= 0.000

A10 . :

nominal= 5.402 max= 5.447 min= 5.402

Chain # 3 - type "P", unknown branch A9 -----------------------------------

c o n t e n t of c h a i n:

. branch A9 : max= 0.000 min= 0.000

closed branch - design dimension P3 : max= 71.650 min= 71.604

r e s u l t s of c a l c u l a t i o n:

value of branch A9 : max= 71.650 min= 71.604

hense, calculated tolerance = 0.046

machine tolerance for branch from DBase of KON7

value= 0.060 : upper= 0.060 lower= 0.000

machine tolerance for branch <<from user>>= 0.046

upper= 0.000 lower= -0.046

A9 . :

nominal= 71.650 max= 71.650 min= 71.605

Chain # 4 - type "P", unknown branch A12 -----------------------------------

c o n t e n t of c h a i n:

. branch A12 : max= 0.000 min= 0.000

closed branch - design dimension P4 : max= 66.850 min= 66.776

r e s u l t s of c a l c u l a t i o n:

value of branch A12 : max= 66.850 min= 66.776

hense, calculated tolerance = 0.074

machine tolerance for branch from DBase of KON7

value= 0.060 : upper= 0.060 lower= 0.000

A12 . :

nominal= 66.850 max= 66.850 min= 66.790

Chain # 5 - type "Z", unknown branch A7 -----------------------------------

c o n t e n t of c h a i n:

closed branch - allowance Zmin <from KON7> = 0.110

. A9 : max= 71.650 min= 71.605

. A7 : max= 0.000 min= 0.000

r e s u l t s of c a l c u l a t i o n:

machine tolerance for branch from DBase of KON7

value= 0.120 : upper= 0.120 lower= 0.000

value of calculation A7 :

nominal= 71.880 max= 71.880 min= 71.760

Chain # 6 - type "Z", unknown branch A11 -----------------------------------

c o n t e n t of c h a i n:

closed branch - allowance Zmin <from KON7> = 0.170

. A11 : max= 0.000 min= 0.000

. A12 : max= 66.850 min= 66.790

r e s u l t s of c a l c u l a t i o n:

machine tolerance for branch from DBase of KON7

value= 0.400 : upper= 0.400 lower= 0.000

value of calculation A11 :

nominal= 66.220 max= 66.620 min= 66.220

Chain # 7 - type "Z", unknown branch A13 -----------------------------------

c o n t e n t of c h a i n:

closed branch - allowance Zmin <from KON7> = 0.170

. A14 : max= 104.500 min= 104.361

. A13 : max= 0.000 min= 0.000

r e s u l t s of c a l c u l a t i o n:

machine tolerance for branch from DBase of KON7

value= 0.460 : upper= 0.460 lower= 0.000

value of calculation A13 :

nominal= 105.130 max= 105.130 min= 104.670

Chain # 8 - type "Z", unknown branch A6 -----------------------------------

c o n t e n t of c h a i n:

closed branch - allowance Zmin <from KON7> = 0.170

. A7 : max= 71.880 min= 71.760

. A6 : max= 0.000 min= 0.000

r e s u l t s of c a l c u l a t i o n:

machine tolerance for branch from DBase of KON7

value= 0.400 : upper= 0.400 lower= 0.000

value of calculation A6 :

nominal= 72.450 max= 72.450 min= 72.050

Chain # 9 - type "Z", unknown branch A8 -----------------------------------

c o n t e n t of c h a i n:

closed branch - allowance Zmin <from KON7> = 0.110

. A8 : max= 0.000 min= 0.000

. A9 : max= 71.650 min= 71.605

. A7 : max= 71.880 min= 71.760

. A10 : max= 5.447 min= 5.402

r e s u l t s of c a l c u l a t i o n:

machine tolerance for branch from DBase of KON7

value= 0.280 : upper= 0.280 lower= 0.000

value of calculation A8 :

nominal= 5.122 max= 5.402 min= 5.122

Chain # 10 - type "Z", unknown branch A5 -----------------------------------

c o n t e n t of c h a i n:

closed branch - allowance Zmin <from KON7> = 1.000

. A6 : max= 72.450 min= 72.050

. A5 : max= 0.000 min= 0.000

r e s u l t s of c a l c u l a t i o n:

machine tolerance for branch from DBase of KON7

value= 0.740 : upper= 0.740 lower= 0.000

value of calculation A5 :

nominal= 74.190 max= 74.190 min= 73.450

Chain # 11 - type "Z", unknown branch A4 -----------------------------------

c o n t e n t of c h a i n:

closed branch - allowance Zmin <from KON7> = 0.850

. A4 : max= 0.000 min= 0.000

. A7 : max= 71.880 min= 71.760

. A5 : max= 74.190 min= 73.450

. A8 : max= 5.402 min= 5.122

r e s u l t s of c a l c u l a t i o n:

machine tolerance for branch from DBase of KON7

value= 1.000 : upper= 0.500 lower=-0.500

value of calculation A4 :

nominal= 5.342 max= 5.842 min= 4.842

Chain # 12 - type "Z", unknown branch A2 -----------------------------------

c o n t e n t of c h a i n:

closed branch - allowance Zmin <from KON7> = 0.900

. A5 : max= 74.190 min= 73.450

. A2 : max= 0.000 min= 0.000

r e s u l t s of c a l c u l a t i o n:

machine tolerance for branch from DBase of KON7

value= 1.600 : upper= 0.800 lower=-0.800

value of calculation A2 :

nominal= 75.890 max= 76.690 min= 75.090

Chain # 13 - type "Z", unknown branch A1 -----------------------------------

c o n t e n t of c h a i n:

closed branch - allowance Zmin <from KON7> = 1.000

. A5 : max= 74.190 min= 73.450

. A13 : max= 105.130 min= 104.670

. A1 : max= 0.000 min= 0.000

. A9 : max= 71.650 min= 71.605

r e s u l t s of c a l c u l a t i o n:

machine tolerance for branch from DBase of KON7

value= 1.600 : upper= 0.800 lower=-0.800

value of calculation A1 :

nominal= 109.515 max= 110.315 min= 108.715

Chain # 14 - type "Z", unknown branch A3 -----------------------------------

c o n t e n t of c h a i n:

closed branch - allowance Zmin <from KON7> = 0.850

. A2 : max= 76.690 min= 75.090

. A9 : max= 71.650 min= 71.605

. A3 : max= 0.000 min= 0.000

. A5 : max= 74.190 min= 73.450

. A11 : max= 66.620 min= 66.220

r e s u l t s of c a l c u l a t i o n:

machine tolerance for branch from DBase of KON7

value= 1.000 : upper= 0.500 lower=-0.500

value of calculation A3 :

nominal= 10.020 max= 10.520 min= 9.520

Table 3

The results of calculation with KON7 (C) Kalachev O.N., 2000-08 t.(4852)440276

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Closure branchs | Component branchs - A:

P-desigh dim., Z-allowance | workpiece dimensions <-->, machining dimensions O-->

---------------------------------------------------------------------kon7-116-120 D1 zz GRA-HA--

Bran-|Surface| Limiting values |Bran-|Surface| | | Deviations

ch's | l r |-----------------|ch's | <--> | Processing technique |Nominal |---------------

index|new old| max | min |index|base-->| | | upper | lower

------------------------------------------------------------------------------------------------

P1 | 4 13| 104.500| 104.280| A1 | 1 15|Molding. cast-iron&steel | 109.515| 0.800| -0.800

P2 | 4 7| 5.450| 5.402| A2 | 1 12|Molding. cast-iron&steel | 75.890| 0.800| -0.800

P3 | 4 11| 71.650| 71.604| A3 | 8 12|Molding. cast-iron&steel | 10.020| 0.500| -0.500

P4 | 4 10| 66.850| 66.776| A4 | 1 5|Molding. cast-iron&steel | 5.342| 0.500| -0.500

Z1 | 2 1| 2.140| 1.000| A5 | 1 11|Turning fr. rough surf. | 74.190| 0.000| -0.740

Z2 | 3 2| 0.690| 0.170| A6 | 11 2|Turning rough | 72.450| 0.000| -0.400

Z3 | 4 3| 0.276| 0.110| A7 | 11 3|Turning finish | 71.880| 0.000| -0.120

Z4 | 6 5| 2.990| 0.850| A8 | 3 6|Turning rough | 5.122| 0.280| 0.000

Z5 | 7 6| 0.600| 0.110| A9 | 11 4|Turning precision | 71.650| 0.000| -0.045

Z6 | 9 8| 4.636| 0.850| A10 | 4 7|Turning precision | 5.402| 0.044| 0.000

Z7 | 10 9| 0.630| 0.170| A11 | 4 9|Turning rough | 66.220| 0.400| 0.000

Z8 | 11 12| 3.240| 0.900| A12 | 4 10|Turning precision | 66.850| 0.000| -0.059

Z9 | 13 14| 0.769| 0.170| A13 | 4 14|Turning rough | 105.130| 0.000| -0.460

Z10 | 14 15| 3.845| 1.000| A14 | 4 13|Turning finish | 104.500| 0.000| -0.140

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End of Bogoyawlenskiy Nikolay KON7 v. 116-120 D1 zz GRA HA 2002-2008