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this comprehensive post by the Common material specifications experts at Picvalue Corp(part 4) | Coolvalue

Picvalue Corp: Common sense of handbags and calculation quotations

this comprehensive post by the Common material specifications experts at Picvalue Corp

this post from Picvalue Corp takes you step by step through the process of essential or meaningful learning materials

this comprehensive post by the Common material specifications experts at Picvalue Corp(part 4) | Coolvalue
Common sense of handbags and calculation quotations

Common material specifications

Matters needing attention when typesetting:

1. If the main and auxiliary materials are expressed in words during the material counting process, they must indicate their color/texture/specification, etc., and the full name should be used for the name, to distinguish similar materials and avoid confusion and mistakes.

2. Materials in special sections (such as oblique cutting/hedge trimming/glue/voltage, etc.) must be indicated during production, and those that should be lost must be lost.

3. When typesetting some special materials, one must pay attention to the directionality, such as velvet/mesh, etc., even if the material is not saved, it can only be typeset in one direction.

4. The width of the material (main material) cannot be used 100%, and a certain space needs to be reserved

5. For a bag to be counted, no matter the main and auxiliary materials must be in the order - from front to back / from top to bottom / from outside to inside / from left to right, so that there will be no leakage. Counting the wrong material, making the material counting accuracy close to 100%.

Brief description of costing

In cost calculation, it is mainly to calculate the amount and unit price of various raw materials, loss rate, packaging cost, and processing cost. Raw materials include leather, recycled leather, artificial hangers, textile materials, zippers, hardware accessories, non-woven materials, domestic paper, imported paper, edge oil, glue, thread, etc.

The wastage rate refers to the proportion of various raw materials that cannot be used in the production process. Different materials, products with different specifications, and different requirements for materials will produce different loss rates. Generally speaking, the loss rate of A-grade soft leather is in the range of 25%-30%: medium-hardness and hard-bodied A-grade leather and secondary leather are between 20%-25%: the regenerated leather has a relatively standard width, the edge is relatively neat, and its loss rate is in the range of 15%-20%. If the size of the product is larger and there are fewer parts, the loss rate can be as high as 40% to 50%. Usually, the unit of part area is square inches. The leather quantity unit is calculated in square feet, so the most calculation formula for leather is as follows: the sum of the parts area + 144 x (1 + loss rate) = the amount of skin Snakeskin, ostrich leg skin, turkey paw skin, etc. are calculated according to the theory, without calculating the loss.

The side caps of artificial materials are neat, the quality of the material surface is stable, and the practical rate is high, so the loss rate is between 5% and 109%. However, the product design has strict requirements on texture, lattice, etc., and when the product size is larger and the parts are smaller When less, the loss rate can be as high as 15%-20%. In general, a 10% attrition rate is a hedging majority.

The amount of artificial leather, nylon cloth, canvas, non-woven fabric, leather bran paper, pull-back glue, sea weaving, etc. is calculated by its length, in yards, and the calculation formula is as follows:

Sum of part area + 36 + material width x (1 + loss rate) - material amount

Among them, the material width is not standardized, but mostly 47 inches, 5 inches, and 59 inches.

Due to the production of cardboard and imported Japanese paper, the consumption is calculated by the number of sheets, and the loss rate is calculated as 10%. The formula for calculating its dosage is as follows:

Sum of parts area: sheet area x (110%) - number of sheets

The zipper is measured in inches and converted into yards: hardware accessories are calculated according to the practical number or the number of sets.

The amount of edge oil, glue, and thread accounts for a very small part of the cost of a product. Generally, their actual amount is not strictly calculated, but a value preservation parameter is obtained through the monthly inventory results of multiple materials. These parameters are unanimously recognized standards in the technical exchanges.

The packaging cost refers to the comprehensive cost of the finished product tag, inner filler, moisture-proof beads, cloth bags, plastic bags, cartons, and cartons.


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