CN109425318B - Method for detecting and screening original ecological animal casing length and root number - Google Patents
Method for detecting and screening original ecological animal casing length and root number Download PDFInfo
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Abstract
A method for detecting and screening the length and the number of original ecological animal casings adopts a mixed method of measuring 3 casings side by side in the early stage and measuring a single casing in a single time in the later stage, so that the efficiency is higher. By applying the method of the invention, the efficiency is improved, errors are not easy to occur, the technical requirement standard of workers is reduced, and the labor intensity of the workers is greatly reduced. The invention can be applied to a calculation method control program of a measuring machine, completely replaces the methods of manual measurement, manual mental calculation and manual memory of workers, and finishes the detection and screening of 'one bundle' of sausage casing to obtain a final finished product.
Description
Method for detecting and screening original ecological animal casing length and root number
Technical Field
The invention relates to a production method of original ecological animal casings, in particular to a method for detecting and screening the length and the number of original ecological animal casings.
Background
In the prior art, it has long been necessary in the sausage casing processing industry to add casings of different lengths to a specified length and then to roll the casings into a bundle of casings for delivery to customers.
The concept of "one" here is divided into the following two cases according to the customer's requirements: 1. a specified length, and also the number of elements used to make up this length; 2. the specified length is not required for the number of elements used to make up the length. In addition, in order to complete a predetermined length and a predetermined number of casings, the casings must be cut and matched to each other in different lengths.
According to the traditional processing technology, the two conditions need manual measurement, manual mental calculation and manual memory of workers. The process is not only low in efficiency and easy to make mistakes, but also has great labor intensity and considerable requirements on the technology of operators. Under the condition of the current increasingly shortage of labor force, the contradiction between the production cost, the production process, the production efficiency and the product quality is increasingly prominent. In this context, there are numbering machines on the market which, instead of manual measuring, measure the length of the casing, but do not directly complete a "bundle" of end products.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a method for detecting and screening the length and the number of original ecological animal casings.
The invention adopts the following technical scheme to solve the technical problems:
a. the method for only defining the length of the sausage casing without defining the number of the sausage casing is completed by the following steps:
step 1: setting the total delivery length C of the casings, measuring the lengths of the casings on a casing measuring and coding machine for 3-6 times in a mode of using 3 casings as a group, and accumulating the lengths of all the measured casings to be B1.
Step 2: when B1 is more than or equal to 2/3C, the lengths of the casings are measured individually by a casing measuring and stacking machine, the lengths of each measured casing are defined as A1, A2, A3, … and An in turn, n is a natural number more than 0, and each measured casing is placed or marked in turn.
And step 3: the total length B of each casing is measured, B = B1+ A1+ A2+ A3+ … + An is counted after each casing is measured, and when B is larger than or equal to C, the calculation formula is calculated
B―（Ai+C）≤|±W| （1）
Wherein Ai is a function of the length A1, A2, A3, … and An of each individual sausage casing, i is a natural number of 1, 2, 3, … and n, ± W is a tolerance value of the measured total length and the delivery total length,
and substituting all values of Ai into the equation (1), and if the inequality of the equation (1) is satisfied, if the casing corresponding to the Ai length, namely the ith casing, is removed from the measured casings, and the rest measured casings are in accordance with the total delivery length.
And 4, step 4: if the matching value Ai of the inequality is not satisfied in the formula (1), another sausage casing is measured, the length of the sausage casing is defined as An +1, and the formula is calculated
B―（Ai+Aj+C）≤|±W| （2）
Wherein Aj is a function of the length A1, A2, A3, …, An and An +1 of each single sausage casing, j is a natural number of 1, 2, 3, …, n and n +1,
and (3) substituting all values of Ai and Aj into formula (2), and if the inequality of formula (2) is satisfied, if casings corresponding to the lengths of Ai and Aj, namely the ith casing and the jth casing, are removed from the measured casings, and the rest casings are in accordance with the total delivery length.
And 5: if the matching values Ai and Aj of the inequality are not satisfied in the formula (2), another sausage casing is measured, the length of the sausage casing is defined as An +2, and the formula is calculated
B―（Ai+Aj+Ak +C）≤|±W| （3）
Wherein Ak is a function of the length A1, A2, A3, …, An +1 and An +2 of each single sausage casing, k is a natural number of 1, 2, 3, …, n +1 and n +2,
and (3) substituting all values of Ai, Aj and Ak into the formula (3), and if the inequality of the formula (3) is satisfied, if casings corresponding to the lengths of Ai, Aj and Ak, namely the ith, jth and kth casings, are removed from the measured casings, the rest measured casings are in accordance with the total delivery length.
Step 6: if the matching values Ai, Aj and Ak which meet the inequality in the formula (3) do not exist, continuing to increase and measure the single sausage casing according to the steps in the method a by analogy, substituting the corresponding values into a new calculation formula, searching for the matching value which can meet the inequality, increasing the number of times of measuring the single sausage casing again to 8 times, and repeating the steps 2-6 in the method a until the sausage casing with the corresponding length which meets the inequality is found, and finishing the total delivery length after removing.
b. The method for specifying the length and the number of the casings is completed by the following steps:
step 1: setting the total delivery length C of the casings, setting the total delivery number of each 'one bundle' of casings as E strips, measuring the lengths of the casings on a casing measuring and coding machine for 3-6 times in a mode of taking 3 casings as a group, accumulating the lengths of all measured casings as B1, and accumulating the numbers of all measured casings as E1.
Step 2: when B1 is more than or equal to 2/3C, the lengths of the casings are measured singly by using a casing measuring and stacking machine, the lengths of each single casing after measurement are defined as A1, A2, A3, … and An in sequence, n is a natural number which is more than 0, each single casing after measurement is placed or marked in sequence, and meanwhile, the number of all the measured casings is accumulated to be e 2.
And step 3: each casing is measured by the total length B of the measured casing, B = B1+ A1+ A2+ A3+ … + An, and the number e of casings composing the total length B of the measured casing, e = e1+ e2 is a natural number larger than 0,
when E-E =1, the formula is calculated
B―（Ai+C）≤|±W| （1）
Wherein Ai is a function of the length A1, A2, A3, … and An of each individual sausage casing, i is a natural number of 1, 2, 3, … and n, ± W is a tolerance value of the measured total length and the delivery total length,
all the values of Ai are substituted into the formula (1), and when the inequality of the formula (1) is satisfied, as long as the casing corresponding to the length of Ai, namely the ith casing, is removed from the measured casings, the rest of the measured casings are in accordance with the total delivery length and the total delivery number.
And 4, step 4: if the matching value Ai of the inequality is not satisfied in the formula (1), another sausage casing is measured, the length of the sausage casing is defined as An +1, and the formula is calculated
B―（Ai+Aj+C）≤|±W| （2）
Wherein Aj is a function of the length A1, A2, A3, …, An and An +1 of each single sausage casing, j is a natural number of 1, 2, 3, …, n and n +1,
all values of Ai and Aj are substituted for formula (2), when the inequality of formula (2) is satisfied, as long as casings corresponding to the lengths of Ai and Aj, namely the ith casing and the jth casing, are removed from the measured casings, the rest casings are in accordance with the total delivery length and the total delivery number.
And 5: if the matching values Ai and Aj of the inequality are not satisfied in the formula (2), another sausage casing is measured, the length of the sausage casing is defined as An +2, and the formula is calculated
B―（Ai+Aj+Ak +C）≤|±W| （3）
Wherein Ak is a function of the length A1, A2, A3, …, An +1 and An +2 of each single sausage casing, k is a natural number of 1, 2, 3, …, n +1 and n +2,
all values of Ai, Aj and Ak are substituted into formula (3), when the inequality of formula (3) is satisfied, as long as casings corresponding to the lengths of Ai, Aj and Ak, namely the ith, jth and kth casings, are removed from the measured casings, the rest measured casings are in accordance with the total delivery length and the total delivery number.
Step 6: if the matching values Ai, Aj and Ak which meet the inequality are not obtained in the formula (3), continuing to increase the re-measured casings according to the steps in the method b by analogy, substituting the corresponding values into a new calculation formula, searching for the matching values which can meet the inequality, wherein the number of times of increasing the re-measured casings is 8, and is more than 8, repeating the steps 2-6 in the method b until casings which meet the inequality and have corresponding lengths are found, and completing the total delivery length and the total delivery number after removing.
The invention can be applied to a calculation method control program of a measuring machine, completely replaces the methods of manual measurement, manual mental calculation and manual memory of workers, and finishes the detection and screening of 'one bundle' of sausage casing to obtain a final finished product.
In addition, the invention adopts a mixing method of measuring three casings side by side in the early stage and measuring a single casing in the later stage, so that the efficiency is higher. By applying the method of the invention, the efficiency is improved, errors are not easy to occur, the technical requirement standard of workers is reduced, and the labor intensity of the workers is greatly reduced.
Drawings
FIG. 1 is a schematic flow chart of a method a of the present invention.
FIG. 2 is a second schematic flow chart of the method a of the present invention.
Detailed Description
The invention is further described with reference to the following examples and the accompanying drawings.
Example 1: with reference to figures 1 and 2 of the drawings,
the total delivery length C of a sausage casing is specified to be 90 m, the number of the sausage casing is not counted, and the tolerance value +/-W between the actually measured total length and the total delivery length is +/-0.6 m.
The lengths of the casings were measured on a casing measuring and stacking machine 4 times simultaneously in groups of 3, and the cumulative B1 of the lengths of all the measured casings was 62.7 m, as shown in Table 1.
TABLE 1
At this time, B1 is more than or equal to 2/3C, the lengths of the casings are measured by using a casing measuring and stacking machine, the lengths of the measured casings are defined as A1, A2, A3, … and An in turn, and the total length B of the measured casings is counted after each casing is measured, which is shown in Table 2.
TABLE 2
When the 4 th sausage casing is measured, the total length of the measured sausage casing is greater than the total delivery length of the sausage casing, namely B is greater than or equal to C, and the calculation formula
B―（Ai+C）≤|±W| （1）
Namely:
93.6―（A1+90）＞|±0.6|
93.6―（A2+90）＞|±0.6|
93.6- (A3 + 90) < 0.6| (the matching condition is satisfied here)
93.6―（A4+90）＞|±0.6|
When the inequality is satisfied after the A3 is substituted into the formula (1), the casing corresponding to the A3 length, namely the 3 rd single casing, is removed from the measured casing, and the rest measured casing is the total delivery length.
Example 2:
the total delivery length C of a sausage casing is specified to be 180 m, the number of the sausage casing is not counted, and the tolerance value +/-W between the actually measured total length and the total delivery length is +/-1.0 m.
The lengths of the casings were measured on a casing measuring and stacking machine for 9 times simultaneously in a group of 3 casings, and the cumulative B1 of the lengths of all the measured casings was 147.2 meters, as shown in Table 3.
TABLE 3
At this time, B1 is more than or equal to 2/3C, the lengths of the casings are measured by using a casing measuring and stacking machine, the lengths of the measured casings are defined as A1, A2, A3, … and An in turn, and the total length B of the measured casings is counted after each casing is measured, which is shown in Table 4.
TABLE 4
When the 3 rd piece is measured, the total length of the measured sausage casing is greater than the total delivery length of the sausage casing, namely B is greater than or equal to C, and the calculation formula
B―（Ai+C）≤|±W| （1）
Namely:
185.6―（A1+180）＞|±1.0|
185.6―（A2+180）＞|±1.0|
185.6- (A3 + 180) > | + -1.0 | [ correct result cannot be calculated by the above formula (1) ]
B―（Ai+Aj+C）≤|±W| （2）
The formula excluding duplicates is:
185.6―（A1+ A2+180）＞|±1.0|
185.6- (A1 + A3+ 180) > | + -1.0 | [ correct result cannot be calculated by the above formula (2) ]
If the matching condition can not be satisfied, continuing to calculate
185.6- (A2 + A3+ 180) > | + -1.0 | [ correct result cannot be calculated by the above formula (2) ]
When the correct calculation results cannot be obtained by using the formulas (1) and (2), the number of times of measuring the casing can be continuously increased, and the calculation is performed by using the formulas (1), (2) and (3):
B―（Ai+Aj+Ak +C）≤|±W| （3）
201.9―（A1+180）＞|±1.0|
201.9―（A2+180）＞|±1.0|
201.9―（A3+180）＞|±1.0|
201.9 (A4 + 180) > | + -1.0 | [ correct result cannot be calculated by the above formula (1) ]
If the matching condition cannot be satisfied, the calculation is continued using equation 2 (excluding the repetitive equation)
201.9―（A1+ A2+180）＞|±1.0|
201.9―（A1+ A3+180）＞|±1.0|
201.9 (A1 + A4+ 180) > | + | 1.0| [ correct result cannot be calculated by the above formula (2) ]
If the matching condition cannot be satisfied, continuing the calculation using the formula (2) (excluding the repeated formula)
201.9- (A2 + A3+ 180) < 1.0| (the matching conditions are satisfied here)
201.9―（A2+ A4+180）＞|±1.0|
When the inequalities are satisfied after the A2 and the A3 are substituted into the formula (2), casings corresponding to the lengths of A2 and A3 are removed from the measured casings, and the rest casings are the casings meeting the total delivery length.
If the formula (2) still cannot obtain a correct calculation result, the formula (3) can be used for continuing the calculation, if the correct calculation result cannot be obtained, the measurement of one sausage casing can be continued, and the formulas (1), (2), (3) and … are used for calculating each time the sausage casing is added until a calculation result meeting the matching condition is obtained. If the number 8 is increased and the matching condition is still not met, the measurement is invalid, and the combination needs to be carried out again to carry out new measurement.
Example 3:
the total delivery length C of one sausage casing is specified to be 90 m, the number E of the sausage casings is specified to be 16, and the tolerance value +/-W between the measured total length and the total delivery length is +/-0.6 m.
The lengths of the casings were measured on a casing measuring and stacking machine 4 times simultaneously in groups of 3, and the cumulative B1 of the lengths of all the measured casings was 62.7 m, as shown in Table 5.
TABLE 5
At this time, B1 is not less than 2/3C, the lengths of the casings are measured individually by using a casing measuring and stacking machine, the lengths of the casings after measurement are defined as A1, A2, A3, … and An in turn, and the total length B of the measured casings is counted after measurement of each casing (B = B1+ A1 … An), which is shown in Table 6.
TABLE 6
As seen from table 6, when the 3 rd casing is detected, the total length B (93.5) is already greater than the total delivered length C (90) of casings, but the total number E has not yet reached the specified 16, and the casing measurement is continued to be increased, and only when the total number E is greater than the currently detected casing number E1, the matching calculation can be performed, starting from E-E1 = 1:
see table 6, when the 5 th root is detected, e1=4 × 3+5=17, total length B = B1+ a1+ a2+ A3+ a4+ a5=104.8, using equation (1)
B―（Ai+C）≤|±W| （1）
Namely:
104.8 (A1 + 90) < l +/-0.6 (according to the matching condition)
104.8―（A2+90）＞|±0.6|
104.8―（A3+90）＞|±0.6|
104.8―（A4+90）＞|±0.6|
104.8―（A5+90）＞|±0.6|
When the inequality is satisfied after the A1 is substituted into the formula (1), the casing corresponding to the A1 length, namely the 1 st single casing, is removed from the measured casing, and the rest measured casing is the casing meeting the total delivery length.
Example 4:
the total delivery length C of one sausage casing is defined as 180 m, the number E of the sausage casings is defined as 30, and the tolerance value +/-W between the measured total length and the total delivery length is +/-1.0 m.
The lengths of the casings were measured on a casing measuring and stacking machine simultaneously 9 times in groups of 3 casings to obtain a cumulative B1 length of 147.2 meters for all the casings tested, see Table 7.
TABLE 7
At this time, B1 is not less than 2/3C, the lengths of the casings are measured individually by using a casing measuring and stacking machine, the lengths of the casings after measurement are defined as A1, A2, A3, … and An in turn, and the total length B of the measured casings is counted after measurement of each casing (B = B1+ A1 … An), which is shown in Table 8.
TABLE 8
When the total number E is larger than the current measured casing number E1, the matching calculation can be carried out, starting from E-E1 =1, and the total length of the measured casing is larger than the total delivery length of the casing, namely B is larger than or equal to C, the calculation formula
B―（Ai+C）≤|±W| （1）
That is, when the 4 th root is measured from the single root, e1=9 × 3+4=31, formula (1) is used
201.9―（A1+180）＞|±1.0|
201.9―（A2+180）＞|±1.0|
201.9―（A3+180）＞|±1.0|
201.9 (A4 + 180) > | + -1.0 | [ correct result cannot be calculated by the above formula (1) ]
The measurement of 1 additional casing was continued, and the calculation was performed using the formula (2)
B―（Ai+Aj+C）≤|±W| （2）
The formula excluding duplicates is:
209.8―（A1+ A2+180）＞|±1.0|
209.8―（A1+ A3+180）＞|±1.0|
209.8―（A1+ A4+180）＞|±1.0|
209.8- (A1 + A5+ 180) > | + -1.0 | [ correct result cannot be calculated by the above formula (2) ]
If the matching condition can not be satisfied, continuing to calculate
209.8―（A2+ A3+180）＞|±1.0
209.8- (A2 + A4+ 180) < 1.0 (the matching condition is satisfied here)
209.8―（A2+ A5+180）＞|±1.0|
When the inequalities are satisfied after the A2 and the A4 are substituted into the formula (2), casings with the lengths corresponding to A2 and A4 are removed from the measured casings, and the rest measured casings are the total number which meets the total delivery length and the total number which meets the delivery.
If the formula (2) still cannot obtain the correct calculation result, the formula (3) can be used for continuing the calculation, and if the correct result cannot be obtained, the measurement of one sausage casing can be continued to be added until the calculation result meeting the matching condition is obtained. If the number 8 is increased and the matching condition is still not met, the measurement is invalid, and the combination needs to be carried out again to carry out new measurement.
Claims (1)
1. A method for detecting and screening the length and the number of original ecological animal casings is characterized in that:
a. the method for only defining the length of the sausage casing without defining the number of the sausage casing is completed by the following steps:
step 1: setting the total delivery length C of the casings, measuring the lengths of the casings on a casing measuring and coding machine for 3-6 times in a mode of using 3 casings as a group, accumulating the lengths of all the measured casings to be B1,
step 2: when B1 is more than or equal to 2/3C, the lengths of the casings are measured individually by a casing measuring and stacking machine, the lengths of each measured casing are defined as A1, A2, A3, … and An in turn, n is a natural number more than 0, each measured casing is placed or marked in turn,
and step 3: the total length B of each casing is measured, B = B1+ A1+ A2+ A3+ … + An is counted after each casing is measured, and when B is larger than or equal to C, the calculation formula is calculated
B―（Ai+C）≤|±W| （1）
Wherein Ai is a function of the length A1, A2, A3, … and An of each individual sausage casing, i is a natural number of 1, 2, 3, … and n, ± W is a tolerance value of the measured total length and the delivery total length,
substituting all the values of Ai into the equation (1), when the inequality of the equation (1) is satisfied, as long as the casing corresponding to the length of Ai, namely the ith casing, is removed from the measured casings, the rest measured casings are in accordance with the total delivery length,
and 4, step 4: if the matching value Ai of the inequality is not satisfied in the formula (1), another sausage casing is measured, the length of the sausage casing is defined as An +1, and the formula is calculated
B―（Ai+Aj+C）≤|±W| （2）
Wherein Aj is a function of the length A1, A2, A3, …, An and An +1 of each single sausage casing, j is a natural number of 1, 2, 3, …, n and n +1,
all the values of Ai and Aj are substituted into formula (2), when the inequality of formula (2) is satisfied, as long as casings corresponding to the lengths of Ai and Aj, namely the ith casing and the jth casing, are removed from the measured casings, the rest casings are in accordance with the total delivery length,
and 5: if the matching values Ai and Aj of the inequality are not satisfied in the formula (2), another sausage casing is measured, the length of the sausage casing is defined as An +2, and the formula is calculated
B―（Ai+Aj+Ak +C）≤|±W| （3）
Wherein Ak is a function of the length A1, A2, A3, …, An +1 and An +2 of each single sausage casing, k is a natural number of 1, 2, 3, …, n +1 and n +2,
all values of Ai, Aj and Ak are substituted into formula (3), when the inequality of formula (3) is satisfied, as long as casings corresponding to the lengths of Ai, Aj and Ak, namely the ith, jth and kth casings, are removed from the measured casings, the rest measured casings are in accordance with the total delivery length,
step 6: if the matching values Ai, Aj and Ak which meet the inequality in the formula (3) do not exist, continuing to increase and measure the single sausage casing according to the steps in the method a by analogy, substituting the corresponding values into a new calculation formula, searching for the matching value which can meet the inequality, increasing the number of times of measuring the single sausage casing again to 8, and repeating the steps 2-6 in the method a until the sausage casing with the corresponding length which meets the inequality is found, and finishing the total delivery length after removing;
b. the method for specifying the length and the number of the casings is completed by the following steps:
step 1: setting the total delivery length C of the casings, setting the total delivery number of each 'one bundle' of casings as E strips, measuring the lengths of the casings on a casing measuring and coding machine for 3-6 times in a mode of using 3 casings as a group, accumulating the lengths of all measured casings as B1, accumulating the numbers of all measured casings as E1,
step 2: when B1 is more than or equal to 2/3C, the lengths of the casings are measured singly by a casing measuring and stacking machine, the lengths of each single casing after measurement are defined as A1, A2, A3, … and An in turn, n is a natural number which is more than 0, each single casing after measurement is placed or marked in turn, meanwhile, the number of all the measured casings is accumulated as e2,
and step 3: each casing is measured by the total length B of the measured casing, B = B1+ A1+ A2+ A3+ … + An, and the number e of casings composing the total length B of the measured casing, e = e1+ e2 is a natural number larger than 0,
when E-E =1, calculating formula
B―（Ai+C）≤|±W| （1）
Wherein Ai is a function of the length A1, A2, A3, … and An of each individual sausage casing, i is a natural number of 1, 2, 3, … and n, ± W is a tolerance value of the measured total length and the delivery total length,
substituting all the values of Ai into the equation (1), when the inequality of the equation (1) is satisfied, as long as the casing corresponding to the length of Ai, namely the ith casing is removed from the measured casings, the rest measured casings are in accordance with the total delivery length and the total delivery number,
and 4, step 4: if the matching value Ai of the inequality is not satisfied in the formula (1), another sausage casing is measured, the length of the sausage casing is defined as An +1, and the formula is calculated
B―（Ai+Aj+C）≤|±W| （2）
Wherein Aj is a function of the length A1, A2, A3, …, An and An +1 of each single sausage casing, j is a natural number of 1, 2, 3, …, n and n +1,
all the values of Ai and Aj are substituted into formula (2), when the inequality of formula (2) is satisfied, as long as casings corresponding to the lengths of Ai and Aj, namely the ith casing and the jth casing, are removed from the measured casings, the rest casings are in accordance with the total delivery length and the total delivery number,
and 5: if the matching values Ai and Aj of the inequality are not satisfied in the formula (2), another sausage casing is measured, the length of the sausage casing is defined as An +2, and the formula is calculated
B―（Ai+Aj+Ak +C）≤|±W| （3）
Wherein Ak is a function of the length A1, A2, A3, …, An +1 and An +2 of each single sausage casing, k is a natural number of 1, 2, 3, …, n +1 and n +2,
all values of Ai, Aj and Ak are substituted into formula (3), when the inequality of formula (3) is satisfied, as long as casings corresponding to the lengths of Ai, Aj and Ak, namely the ith, jth and kth casings, are removed from the measured casings, the rest measured casings are in accordance with the total delivery length and the total delivery number,
step 6: if the matching values Ai, Aj and Ak which meet the inequality are not obtained in the formula (3), continuing to increase the re-measured casings according to the steps in the method b by analogy, substituting the corresponding values into a new calculation formula, searching for the matching values which can meet the inequality, wherein the number of times of increasing the re-measured casings is 8, and is more than 8, repeating the steps 2-6 in the method b until casings which meet the inequality and have corresponding lengths are found, and completing the total delivery length and the total delivery number after removing.
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| FR2638612B1 (en) * | 1988-11-08 | 1992-07-17 | Alpes Boyauderie | METHOD FOR CALIBRATION, MEASUREMENT OF LENGTH AND CONDITIONING OF LINES OF PIPES USED IN MEAT PRODUCTS AND DEVICE FOR IMPLEMENTING SAME |
| US5963660A (en) * | 1996-09-26 | 1999-10-05 | The Boeing Company | Method and apparatus for detecting and measuring laps and gaps in composite materials |
| JP2005055383A (en) * | 2003-08-07 | 2005-03-03 | Mutoo Engineering:Kk | Length measurement device |
| DE60333688D1 (en) * | 2003-12-19 | 2010-09-16 | Ibm | DIFFERENTIAL METROLOGY FOR CRITICAL DIMENSIONS AND OVERLAYAGE |
| CN201811710U (en) * | 2010-10-13 | 2011-04-27 | 李鹏超 | Casing measuring device |
| CN202614176U (en) * | 2012-06-06 | 2012-12-19 | 上海富庆实业有限公司 | Multi-channel casing length measuring machine |
| CN103424095A (en) * | 2013-07-02 | 2013-12-04 | 李聚光 | Casing measuring instrument with automatic matching function |
| CN103766458B (en) * | 2014-02-25 | 2015-09-30 | 上海重安塑料制品有限公司 | A kind of natural casing amount code compressor and application thereof |
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