RSM process for material consumption calculation: For calculating pattern area we have to arrange the patterns in a sequence to get better interlocking. The objective is to get a parallelogram with the patterns including interlocking waste. Patterns can be arranged in two ways to make the par... Read more...

...Continued from Part-6 Ex: Finding the norms for the upper with the following data using Russ & Small method.. Model size=7, leather: Calf (brown), Area Discrepancy : 0.98, Shoe type: Medium Men, Order size: 6/50, 7/150, 8/100, 9/500, 10/200., Leather issued=24.7 s... Read more...

...Continued from Part-5 9. RSM: The first scientific method to estimate leather consumption was published in 1922 by W.W. Russ and F.L.Small in Boston, USA. Assume this is further extension of SLM. Their method consists of interlocking a Pattern until four patterns are facing the same direction.... Read more...

...Continued from Part-4 8. SLM: Scientific Leather Measurement was introduced to the shoe industry in early 1950s. It contain two separate components for allowance calculation i.e Pattern assessment and leather assessment. This system will not use old records. Its own records of usages and ar... Read more...

..Continued from Part-3 5. Square board method: In this method a board is used to calculate the area. The board may be wood, paper or hard board in rectangular with a size of 24” X 12” with rules (half and full inch). Lay the complete one pair of patterns on the board in the most compact and ... Read more...

...Continued from Part-2 3. Personal Administration (Approx. in 1951): During this period the scaling method was scrapped and method of measuring the pattern was introduced. From the past records a relationship between the leather area and the areas of the patterns were determined and a table... Read more...

...continued from Part -1 2. Hall’s Scaling Board: This method was developed by Mr.K.W.Hall. The board was commercially available along with an instruction booklet. In this method, each pattern is placed on the given scaling board. Then need to find th... Read more...

Pattern Area Measurement: Manual methods Before making a shoe, it is important to find the consumption of materials, mainly for uppers. Also the consumption is required to control the clicker’s cutting values. It is very important to get an accurate value, because of following reasons: ... Read more...