CN107941184B - Standard weaving shrinkage testing device and standard weaving shrinkage testing method - Google Patents
Standard weaving shrinkage testing device and standard weaving shrinkage testing method Download PDFInfo
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- CN107941184B CN107941184B CN201711147856.1A CN201711147856A CN107941184B CN 107941184 B CN107941184 B CN 107941184B CN 201711147856 A CN201711147856 A CN 201711147856A CN 107941184 B CN107941184 B CN 107941184B
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- 238000009941 weaving Methods 0.000 title claims abstract description 47
- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 239000004744 fabric Substances 0.000 claims abstract description 64
- 238000010998 test method Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 description 7
- 239000003550 marker Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a standard weaving and shrinking testing device and a standard weaving and shrinking testing method. The standard weaving and shrinking testing device comprises a machine table and a clamping part, wherein a working panel is arranged on the machine table, and the upper surface of the working panel is used for laying a cloth piece to be measured; the clamping component is provided with a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are oppositely arranged at two ends of the working panel, and the first clamping piece and the second clamping piece are used for respectively clamping two opposite ends of the cloth piece on the working panel. The standard weaving shrinkage testing device can solve the difference between manual measurement and machine measurement.
Description
Technical Field
The invention relates to the textile field, in particular to a standard weaving shrinkage testing device and a standard weaving shrinkage testing method.
Background
In the traditional weaving and shrinking measurement process, the cloth piece is manually cut, the drawn warp yarns are straightened and then measured, and due to the fact that the size of the cut cloth piece is inconsistent and the tension difference between the cloth piece and the actual machine is large in the manual operation process, the error of reading exists in the measurement process, and finally the measured weaving and shrinking is large in the weaving and shrinking difference between the measured weaving and shrinking and the actual machine, and the measuring method has no practical guiding significance. If the weaving shrinkage is measured directly on the machine, since the loom is a weft-to-weft production and the measurement requires at least 50cm, a minimum of 30 min is required for measuring a weaving shrinkage, and because of the time limitation, it is not possible to test every variety in a short time.
Disclosure of Invention
Accordingly, it is necessary to provide a standard weaving and shrinking test device and a standard weaving and shrinking test method which can solve the difference between manual measurement and machine measurement and have short test time.
The standard weaving shrinkage testing device comprises a machine table and a clamping part, wherein a working panel is arranged on the machine table, a first bottom plate and a second bottom plate are arranged on the working panel, the first bottom plate is connected to the upper surface of the working panel, the second bottom plate is movably connected to the upper surface of the working panel, the first bottom plate is adjacent to the second bottom plate, and the upper surface of the first bottom plate is flush with the upper surface of the second bottom plate; the first bottom plate and the second bottom plate are used for laying cloth pieces to be measured, the clamping component is provided with a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are respectively arranged at two opposite ends of the working panel, and the first clamping piece and the second clamping piece are respectively used for clamping two opposite ends of the cloth pieces on the working panel; the first clamping piece is connected to the first bottom plate, and the second clamping piece is connected to the second bottom plate.
In one embodiment, the first clamping piece is movably connected to an end portion, far away from the second bottom plate, of the first bottom plate.
In one embodiment, the first bottom plate is rectangular, the second bottom plate is rectangular, the size of the first bottom plate is larger than that of the second bottom plate, the width of the first bottom plate is consistent with that of the second bottom plate, the length of the first bottom plate is larger than that of the second bottom plate, one side edge of the first bottom plate is parallel to one side edge of the second bottom plate, and two ends of the first bottom plate are respectively flush with two ends of the second bottom plate.
In one embodiment, the device further comprises a screw rod, a guide rail and a rocker, wherein the guide rail is arranged on the upper surface of the working panel, the second bottom plate is slidably connected to the guide rail, one end of the screw rod penetrates through the second bottom plate and is in threaded connection with the bottom plate, the other end of the screw rod is connected to the rocker, and when the rocker rotates, the rocker can drive the screw rod to rotate so that the second bottom plate moves relative to the first bottom plate.
In one embodiment, the extending direction of the positioning groove on the first bottom plate and the extending direction of the positioning groove on the second bottom plate are parallel to the connecting line between the first clamping piece and the second clamping piece, and when the edge of the first bottom plate is attached to the edge of the second bottom plate, the positioning groove on the first bottom plate and the positioning groove on the second bottom plate can be communicated.
In one embodiment, the first clamping piece comprises a base, two clamping plates, guide rods, a fixing plate, a connecting rod, a clamping frame and a handle, wherein the two bases are arranged at intervals, one guide rod is connected to each base, the fixing plate is connected to each guide rod, an interval is reserved between the fixing plate and each base, the connecting rod penetrates through the fixing plate, one end of the connecting rod is connected to the other end of the clamping plate and is connected to the handle, the clamping plate is located between the base and the fixing plate, the clamping frame is fixed to the fixing plate, the handle is hinged to the clamping frame, and when the handle is rotated, the handle can drive the connecting rod and the clamping plate to ascend or descend.
In one embodiment, the second clamping piece comprises a base, two clamping plates, guide rods, a fixing plate, a connecting rod, a clamping frame and a handle, wherein the two bases are arranged at intervals, one guide rod is connected to each base, the fixing plate is connected to each guide rod, an interval is reserved between the fixing plate and each base, the connecting rod penetrates through the fixing plate, one end of the connecting rod is connected to the other end of the clamping plate and is connected to the handle, the clamping plate is located between the base and the fixing plate, the clamping frame is fixed to the fixing plate, the handle is hinged to the clamping frame, and when the handle is rotated, the handle can drive the connecting rod and the clamping plate to ascend or descend.
In one embodiment, the warp yarn straightening device further comprises a measuring component for measuring the length of the warp yarn between the position of the cloth piece clamped by the first clamping piece and the position of the cloth piece clamped by the second clamping piece, and the measuring component is further used for measuring the length of the straightened warp yarn.
In one embodiment, the device further comprises a marking component, wherein the marking component comprises two marking fixing seats and two marking pens, the two marking fixing seats are oppositely arranged on the working panel, and the two marking pens are respectively arranged on the two marking fixing seats.
It is still another object of the present invention to provide a standard knit shrinkage test method.
A standard weaving shrinkage test method comprises the following steps:
laying a cloth piece to be measured on a working panel;
the first clamping piece and the second clamping piece clamp two opposite ends of the cloth piece in the warp direction on the working panel respectively;
marking the positions of the cloth pieces clamped by the first clamping piece and the positions of the cloth pieces clamped by the second clamping piece, and measuring the length of warp yarns between the two positions, wherein the length is marked as L1;
dividing partial weft yarns of the cloth piece to expose warp yarns of the cloth piece, straightening the warp yarns, and measuring the straightened length of the warp yarns, wherein the length is marked as L2;
and calculating the standard weaving shrinkage of the cloth piece, wherein the standard weaving shrinkage of the cloth piece is = (L2-L1)/L1.
According to the standard weaving shrinkage testing device, two opposite ends of a cloth piece are clamped on a working panel through the first clamping piece and the second clamping piece respectively, the position of the cloth piece clamped by the first clamping piece and the position of the cloth piece clamped by the second clamping piece are marked, the length of warp yarn between the two positions is measured, and the length is marked as L1; cutting off part of weft yarns of the cloth piece to expose warp yarns of the cloth piece, straightening the warp yarns, and measuring the straightened length of the warp yarns, namely L2; the standard weaving shrinkage of the cloth piece is calculated, the standard weaving shrinkage of the cloth piece is = (L2-L1)/L1, the standard weaving shrinkage testing device can solve the difference between manual measurement and machine measurement, and the time required for testing one cloth piece is short.
The standard weaving shrinkage test method is simple and convenient to operate, saves time and force, and has accurate test results.
Drawings
FIG. 1 is a schematic diagram of a standard shrinkage testing apparatus according to an embodiment.
Description of the reference numerals
10. A standard weaving and shrinking testing device; 110. a work panel; 120. a first base plate; 130. a second base plate; 210. a first clamping piece; 211. a base; 212. a clamping plate; 213. a guide rod; 214. a fixing plate; 215. a connecting rod; 216. a clamping rack; 217. a handle; 220. a second clamping piece; 221. a base; 222. a clamping plate; 223. a guide rod; 224. a fixing plate; 225. a connecting rod; 226. a clamping rack; 227. a handle; 300. a guide rail; 400. a rocker; 500. a marking member; 510. marking the fixing seat; 520. a marker pen; 20. and (5) cloth pieces.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, the present embodiment is directed to a standard knit shrinkage test apparatus 10. The standard weaving and shrinking testing device 10 comprises a machine 100 and a clamping part.
Referring to fig. 1, a machine 100 is provided with a working panel 110. The upper side of the work panel 110 can be used for laying the cloth piece 20 to be measured. The nip part has a first nip 210 and a second nip 220. The first clamping member 210 and the second clamping member 220 are respectively disposed at two opposite ends of the working panel 110.
Further, referring to fig. 1, a first base plate 120 and a second base plate 130 are disposed on the working panel 110. The first bottom plate 120 is connected to the upper surface of the working panel 110, the second bottom plate 130 is movably connected to the upper surface of the working panel 110, the first bottom plate 120 is adjacent to the second bottom plate 130, and the upper surface of the first bottom plate 120 is flush with the upper surface of the second bottom plate 130; the first clamping member 210 is movably connected to the first bottom plate 120, and the second clamping member 220 is movably connected to the second bottom plate 130.
Further, referring to fig. 1, in one embodiment, the first clamping member 210 is movably connected to an end of the first bottom plate 120 facing outward, and the second clamping member 220 is movably connected to an end of the second bottom plate 130 facing outward.
In one embodiment, the first bottom plate 120 is rectangular, the second bottom plate 130 is rectangular, and one side of the first bottom plate 120 is parallel to one side of the second bottom plate 130. The size of the first bottom plate 120 is larger than that of the second bottom plate 130, the width of the first bottom plate 120 is identical to that of the second bottom plate 130, the length of the first bottom plate 120 is larger than that of the second bottom plate 130, one side of the first bottom plate 120 is parallel to one side of the second bottom plate 130, two ends of the first bottom plate 120 are respectively flush with two ends of the second bottom plate 130, namely, the strip-shaped pressing plate of the first clamping piece 210 is parallel to the side, far away from the second bottom plate 130, of the first bottom plate 120, and the strip-shaped pressing plate of the second clamping piece 220 is parallel to the side, far away from the first bottom plate 120, of the second bottom plate 130.
Further, referring to fig. 1, in one embodiment, the device further includes a screw, a guide rail 300, and a rocker 400; in the drawings, the lead screw is shown. The guide rail 300 is arranged on the upper surface of the working panel 110, the second bottom plate 130 is slidably connected to the guide rail 300, one end of the screw rod is arranged on the second bottom plate 130 in a penetrating mode and is in threaded connection with the bottom plate, the other end of the screw rod is connected to the rocker 400, and when the rocker 400 rotates, the rocker 400 can drive the screw rod to rotate so that the second bottom plate 130 moves relative to the first bottom plate 120.
In one embodiment, the first bottom plate 120 and the second bottom plate 130 are provided with positioning grooves, the extending direction of the positioning grooves on the first bottom plate 120 and the extending direction of the positioning grooves on the second bottom plate 130 are parallel to the connecting line between the first clamping member 210 and the second clamping member 220, and when the edge of the first bottom plate 120 is attached to the edge of the second bottom plate 130, the positioning grooves on the first bottom plate 120 and the positioning grooves on the second bottom plate 130 can be communicated. The long axes of the two positioning grooves are respectively perpendicular to the side edges of the corresponding first bottom plate 120 and the second bottom plate 130.
In one embodiment, the first clamp 210 and the second clamp 220 are both quick clamps.
Still further, the first clamping member 210 includes a base 211, a clamping plate 212, a guide bar 213, a fixing plate 214, a connecting rod 215, a clamping frame 216, and a handle 217. The number of the bases 211 is two, the two bases 211 are arranged at intervals, one guide rod 213 is connected to the two bases 211 respectively, a fixing plate 214 is connected to the two guide rods 213, an interval is reserved between the fixing plate 214 and the bases 211, a connecting rod 215 penetrates through the fixing plate 214, one end of the connecting rod 215 is connected to a clamping plate 212, the other end of the connecting rod 215 is connected to a handle 217, the clamping plate 212 is located between the bases 211 and the fixing plate 214, a clamping frame 216 is fixed to the fixing plate 214, the handle 217 is hinged to the clamping frame 216, and when the handle 217 is rotated, the handle 217 can drive the connecting rod 215 and the clamping plate 212 to ascend or descend, and the clamping plate 212 can ascend or descend to be used for clamping.
In one embodiment, the second clamping member 220 includes a base 221, a clamping plate 222, a guide rod 223, a fixing plate 224, a connecting rod 225, a clamping frame 226, and a handle 227. The number of the bases 221 is two, the two bases 221 are arranged at intervals, one guide rod 223 is connected to the two bases 221 respectively, a fixing plate 224 is connected to the two guide rods 223, an interval is reserved between the fixing plate 224 and the bases 221, a connecting rod 225 penetrates through the fixing plate 224, one end of the connecting rod 225 is connected to a clamping plate 222, the other end of the connecting rod 225 is connected to a handle 227, the clamping plate 222 is located between the bases 221 and the fixing plate 224, a clamping frame 226 is fixed to the fixing plate 224, the handle 227 is hinged to the clamping frame 226, when the handle 227 is rotated, the handle 227 can drive the connecting rod 225 and the clamping plate 222 to ascend or descend, and the clamping plate 222 can ascend or descend to be used for clamping materials.
In one embodiment, the standard crimp testing device 10 further includes a measurement component, which is not shown in the figures. The measuring part is used for measuring the length of the warp yarn between the position of the cloth piece 20 clamped by the first clamping piece 210 and the position of the cloth piece 20 clamped by the second clamping piece 220, and also is used for measuring the length of the straightened warp yarn. Preferably, the measuring component is a vernier caliper, it being understood that the measuring component may also be other components, such as a ruler, a tape measure, etc.
In one embodiment, the standard weaving and shrinking testing device 10 further includes a marking component 500, where the marking component 500 includes two marking fixing bases 510 and two marking pens 520, the two marking fixing bases 510 are oppositely disposed on the working panel 110, and the two marking pens 520 are respectively disposed on the two marking fixing bases 510. The distance between the two marker pens 520 on the two marker holders 510 can be preset and is constant.
The standard shrinkage test device 10 according to the present embodiment relates to a standard shrinkage test method when used for the standard shrinkage test of the cloth piece 20.
A standard weaving shrinkage test method comprises the following steps:
laying the cloth piece 20 to be measured on the work panel 110; and the cloth 20 is laid flat as much as possible to avoid wrinkles.
The first and second clamps 210 and 220 clamp opposite ends of the cloth piece 20 in the warp direction to the work panel, respectively.
The positions of the cloth pieces 20 clamped by the first clamping member 210 and the positions of the cloth pieces 20 clamped by the second clamping member 220 are marked and the length of the warp yarn between the two marked positions is measured and denoted as L1.
The cloth piece 20 is cut along the extending direction of the positioning groove, namely, the weft yarn in the positioning groove is cut, so that the warp yarn of the cloth piece 20 in the positioning groove is exposed, the warp yarn is straightened, and the length of the straightened warp yarn is measured and is marked as L2. The above-mentioned straightening method may be to tie weights to both ends of the warp yarn so that the warp yarn is straightened, and then measure the length between two marked points on the warp yarn.
The standard weave shrinkage of the cloth piece 20 was calculated, and the standard weave shrinkage= (L2-L1)/L1 of the cloth piece 20.
Further, the method may further include the following steps:
the cloth 20 is laid on the working panel 110, and two marker pens 520 on the two marker holders 510 mark the cloth 20 respectively. The distance between the two markers 520 may be preset to L1, i.e., L1 is preset, so that L1 does not need to be measured again during actual measurement, reducing errors. The cloth piece 20 is cut along the extending direction of the positioning groove, namely, the weft yarn in the positioning groove is cut, so that the warp yarn of the cloth piece 20 in the positioning groove is exposed, the warp yarn is straightened, and the length of the straightened warp yarn is measured and is marked as L2. Standard weaving of the cloth piece 20= (L2-L1)/L1. According to the measuring method, because the L1 is preset, L2 is only needed to be measured once in actual measurement, and errors caused by multiple measurements are reduced.
In the standard weaving and shrinking testing device 10, two opposite ends of the cloth piece 20 are clamped on the working panel through the first clamping piece 210 and the second clamping piece 220 respectively, the position of the cloth piece 20 clamped by the first clamping piece 210 and the position of the cloth piece 20 clamped by the second clamping piece 220 are marked, and the length of warp yarn between the two positions is measured and is marked as L1; dividing partial weft yarns of the cloth piece 20 to expose warp yarns of the cloth piece 20, straightening the warp yarns, and measuring the straightened length of the warp yarns, namely L2; the standard weaving shrinkage= (L2-L1)/L1 of the cloth piece 20 is calculated, and the above-mentioned standard weaving shrinkage testing device 10 can solve the difference between the manual measurement and the machine 100 measurement.
The standard weaving shrinkage test method is simple and convenient to operate, saves time and force, and has accurate test results.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (9)
1. The standard weaving shrinkage testing device is characterized by comprising a machine table and a clamping part, wherein a working panel is arranged on the machine table, a first bottom plate and a second bottom plate are arranged on the working panel, the first bottom plate is connected to the upper surface of the working panel, the second bottom plate is movably connected to the upper surface of the working panel, the first bottom plate is adjacent to the second bottom plate, and the upper surface of the first bottom plate is flush with the upper surface of the second bottom plate; the first bottom plate and the second bottom plate are used for laying cloth pieces to be measured, the clamping component is provided with a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are respectively arranged at two opposite ends of the working panel, and the first clamping piece and the second clamping piece are respectively used for clamping two opposite ends of the cloth pieces on the working panel; the first clamping piece is connected to the first bottom plate, and the second clamping piece is connected to the second bottom plate;
the standard weaving shrinkage testing device further comprises a marking component, wherein the marking component comprises two marking fixing seats and two marking pens, the two marking fixing seats are oppositely arranged on the working panel, the two marking pens are respectively arranged on the two marking fixing seats, the distance between the two marking pens on the two marking fixing seats can be preset, and the distance is unchanged.
2. The standard texture testing device of claim 1, wherein the first clamping member is movably coupled to an end of the first base plate remote from the second base plate.
3. The standard knit shrink testing device according to claim 2, wherein the first base plate is rectangular, the second base plate is rectangular, the size of the first base plate is larger than that of the second base plate, the width of the first base plate is identical to that of the second base plate, the length of the first base plate is larger than that of the second base plate, one side edge of the first base plate is parallel to one side edge of the second base plate, and two ends of the first base plate are respectively flush with two ends of the second base plate.
4. The standard weaving shrinkage testing device according to claim 1, further comprising a screw rod, a guide rail and a rocker, wherein the guide rail is arranged on the upper surface of the working panel, the second bottom plate is slidably connected to the guide rail, one end of the screw rod is arranged on the second bottom plate in a penetrating manner and is in threaded connection with the bottom plate, the other end of the screw rod is connected to the rocker, and when the rocker rotates, the rocker can drive the screw rod to rotate so that the second bottom plate moves relative to the first bottom plate.
5. The standard weaving shrinkage testing device according to claim 1, wherein the first bottom plate and the second bottom plate are respectively provided with a positioning groove, the extending direction of the positioning grooves on the first bottom plate and the extending direction of the positioning grooves on the second bottom plate are parallel to the connecting line between the first clamping piece and the second clamping piece, and when the edge of the first bottom plate is attached to the edge of the second bottom plate, the positioning grooves on the first bottom plate and the positioning grooves on the second bottom plate can be communicated.
6. The standard weaving shrinkage testing device according to any one of claims 1-5, wherein the first clamping piece comprises a base, a clamping plate, guide rods, a fixing plate, a connecting rod, a clamping frame and a handle, the number of the bases is two, the bases are arranged at intervals, one guide rod is connected to each of the bases, the fixing plate is connected to the two guide rods, a space is reserved between the fixing plate and the base, the connecting rod penetrates through the fixing plate, one end of the connecting rod is connected to the other end of the clamping plate and is connected to the handle, the clamping plate is located between the base and the fixing plate, the clamping frame is fixed on the fixing plate, the handle is hinged to the clamping frame, and the handle can drive the connecting rod and the clamping plate to ascend or descend when the handle is rotated.
7. The standard weaving shrinkage testing device according to any one of claims 1-5, wherein the second clamping piece comprises a base, a clamping plate, guide rods, a fixing plate, a connecting rod, a clamping frame and a handle, the number of the bases is two, the bases are arranged at intervals, one guide rod is connected to each of the bases, the fixing plate is connected to the two guide rods, a space is reserved between the fixing plate and the base, the connecting rod penetrates through the fixing plate, one end of the connecting rod is connected to the other end of the clamping plate and is connected to the handle, the clamping plate is located between the base and the fixing plate, the clamping frame is fixed on the fixing plate, the handle is hinged to the clamping frame, and the handle can drive the connecting rod and the clamping plate to ascend or descend when the handle is rotated.
8. The standard weaving shrinkage test apparatus according to any one of claims 1-5, further comprising a measuring member for measuring a length of warp yarn between a position of the cloth piece clamped by the first clamp and a position of the cloth piece clamped by the second clamp, the measuring member further for measuring a length of the warp yarn after being straightened.
9. A standard weaving and shrinking test method, characterized in that the standard weaving and shrinking test device according to any one of claims 1-8 is used, comprising the following steps:
laying a cloth piece to be measured on a working panel;
the first clamping piece and the second clamping piece clamp two opposite ends of the cloth piece in the warp direction on the working panel respectively;
marking the position of the cloth piece clamped by the first clamping piece and the position of the cloth piece clamped by the second clamping piece, wherein the distance between two marking pens is preset to be L1, the two marking pens on the two marking fixing seats respectively mark the cloth piece, and the length of warp yarns between the two positions of the cloth piece respectively marked by the two marking pens is recorded to be L1;
dividing partial weft yarns of the cloth piece to expose warp yarns of the cloth piece, straightening the warp yarns, and measuring the straightened length of the warp yarns, wherein the length is marked as L2;
and calculating the standard weaving shrinkage of the cloth piece, wherein the standard weaving shrinkage of the cloth piece is = (L2-L1)/L1.
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| CN201711147856.1A CN107941184B (en) | 2017-11-17 | 2017-11-17 | Standard weaving shrinkage testing device and standard weaving shrinkage testing method |
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| CN201711147856.1A CN107941184B (en) | 2017-11-17 | 2017-11-17 | Standard weaving shrinkage testing device and standard weaving shrinkage testing method |
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