Operational planning level of development in production enterprises in the machine building industry and its impact on the effectiveness of production

Figures & data

Table 1. Company size in the machine building industry.

Company size	No. of companies	Percentage (%)
Medium enterprises (50–249)	27	56.3
Large enterprises (250 and more)	21	43.7
Total	48	100

Source: Authors.

Table 2. Companies per production process type.

Production process type	No. of companies	Percentage (%)
Line production process type	9	18.8
Interrupted production process type	22	45.8
Project production process	17	35.4
Total	48	100

Source: Authors.

Table 3. Operational planning implementation goals.

Goals	No. of companies	Percentage (%)
Minimisation of production time flow	8	16.7
Minimisation of capital lock-up	2	4.2
Observation of terms of production	27	56.3
Optimisation of capacity utilisation	11	22.9
Minimisation of cost of equipment	0	0
Minimisation of transport costs	0	0
Total	48	100

Source: Authors.

Table 4. Problems in operational planning level of development.

Problems in operational planning level of development	No. of companies	Percentage (%)
Special product performance	2	4.2
Technological support to planning	3	6.3
Delay in delivery of materials and absence of workers	6	12.5
Lack of quality personnel in field of operational planning	4	8.3
Oscillations in sales planning	3	6.3
Unforeseen event (error report in planning)	1	2.1
Poorly drafted documentation	2	4.2
Modification of client’s request	4	8.3
Short time framework between the request and time of delivery	7	14.6
Equipment malfunction	3	6.3
Delay of documentation	6	12.5
Lack of capacities	1	2.1
Insufficient cooperation in planning between individuals and department	1	2.1
Total	43	100

Source: Authors.

Table 5. Preparatory tasks per lower and higher operational planning level of development.

Preparatory tasks	Operational planning level of development
	Lower	Higher
Planning raw and materials	4.03	5.12
Work planning	4.08	5.19
Planning tools and equipment	4.15	5.15
Capacity planning	4.14	5.31
Termination of production	3.78	5.05
Scheduling by work centres	3.61	4.88
Drafting and launching of work documentation	3.80	5.16
Various records terms and performance	3.96	5.19

Source: Authors.

Table 6. Companies per higher and lower operational planning level of development.

Operational planning level of development	No. of companies	Percentage (%)
Lower	18	37.5
Higher	27	56.3
Total	45	93.8

Source: Authors.

Table 7. Average productivity and operational planning level of development.

Average productivity (kn)		Significance (ANOVA)	Degrees of Freedom (df)
Lower level	Higher level
420,985,46	669,617,53	0.100*	43

* Test significance level 0.1.

Source: Authors.

Table 8. Stock turnover coefficient and operational planning level of development.

Average stock turnover rate coefficient		Significance (ANOVA)	Degrees of Freedom (df)
Lower level	Higher level
5.8	5.8	0.994	44

Source: Authors.

Table 9. Capacity utilisation rate and operational planning level of development.

Average capacity utilisation rate		Significance (ANOVA)	Degrees of Freedom (df)
Lower rate	Higher rate
70.59%	79.05%	0.083*	41

* Test significance level 0.1.

Source: Authors.

Table 10. Fallout ratio and operational planning level of development.

Average rate of fallout ratio		Significance (ANOVA)	Degrees of Freedom (df)
Lower ratio	Higher ratio
4,649%	1,514%	0,037**	34

** Test significance level 0.05.

Source: Authors.

Table 11. Delivery time and operational planning level of development.

Average time delivery		Significance (ANOVA)	Degrees of Freedom (df)
Lower level	Higher level
77.93%	90.27%	0.001***	38

*** Test significance level 0.01.

Source: Authors.

Table 12. Operational planning level of development and effectiveness of production process.

Multiple regression
Regresand	Operational planning level of development
Regressors	Productivity
	Stock turnover rate
	Capacity utilisation rate
	Fallout ratio
	Delivery time
B and t- values
Name of regressors	Value
Constant	2.388**(2.744)
Productivity	0.000000317(1.520)
Stock turnover rate	0.002(0.075)
Capacity utilisation rate	0.00007273(-0.010)
Fallout ratio	-0.036(-1.431)
Delivery time	0.027***(2.852)
Other values
Coefficient of determination (R)	0.663
Square number of the coefficient of multiple correlation (R^2)	0.439
F-test Degrees of Freedom (df)	4.074***31

Notes: t-values are given in parenthesis.

** Correlation significance level 0.05.

*** Correlation significance level 0.01.

Source: Authors.