Some standard content:
Light Industry Industry Standard of the People's Republic of China
Terms of Luggage Industry
1 Subject Content and Scope of Application
QB/T3639---1999
Replaces ZBY45002-1988
This standard specifies the terms such as the main parts and components of luggage, process design, raw and auxiliary materials, process operation, quality defects, etc. This standard is applicable to luggage made of natural leather, artificial leather, synthetic leather, chemical fiber cloth, canvas and other synthetic materials by processes such as molding, vacuum forming, sewing, and bonding. This standard can be used for luggage terms involved in technical exchanges, quality evaluation, selection, assessment, formulation of various standards, technical documents, reports, and writing of teaching materials. If necessary, illustrations and supplements can be given to the standards. This standard does not apply to industrial leather products.
2 Main parts and components of luggage
2.1 Determination principles
Based on the natural form and parts of the product structure; b. According to the position of the product parts on the product; According to the role of the product parts on the product; c.
According to the properties of the materials used in the product.
2.2 Terminology
2.2.1 Box body
The main part of the box after it is formed.
2.2.2 Box surface
The surface layer of the box.
2.2.3 Box side
All parts of the front side, back side and side side (or box wall). 2.2.4 Box shell
The inner tube of various boxes.
2.2.5 Box cover
The part that acts as a cover on the box after the cover and the large surface are combined. 2.2.6 Box bottom
The part that acts as a cover on the box after the bottom and the large surface are combined. 2.2.7 Box lining
The lining parts pasted inside the box.
2.2.8 Stitch
The track of sewing thread on boxes and bags.
2.2.9 Wheels
Various wheels on boxes and bags that play a rolling role. 2.2.10 Box opening
Aluminum opening, iron opening, or wooden opening installed between the bottom and lid of a box. Approved by the State Bureau of Light Industry on April 21, 1999
Implemented on March 1, 1999
2.2.11 Box handle
Parts on a box that are specially used for carrying.
2.2.12 Plastic ribs
QB/T3639—1999
Plastic bands on a box that play a role of fastening and decoration. 2.2.13 Front
All parts on the front of a soft box or soft bag.
2.2.14Back
All parts at the bottom of a soft case or bag.
2.2.15Wall
Soft bag acts as a fence, connecting the front and back parts. 2.2.16Outer pocket
General term for the outer pockets and buckle pockets of a soft case or bag. 2.2.17Inner pocket
General term for various small pockets inside a case or bag. 2.2.18Tooth
Protruding accessories sewn between the side wall and the main surface, which can make the case or bag firm (or called inlay). 2.2.19Shoulder
Straps on a case or bag that are used for shoulder carrying.
2.2.20Traction strap
Special traction straps on case products.
2.2.21 Handle
A general term for the parts on boxes and bags that are specially used for hand-carrying. 2.2.22 Shelf mouth
A metal mouth inlaid at the opening of a bag product. 2.2.23 Strap
A strap installed inside a box to hold clothes. 2.2.24 Drawstring
A strap that holds the box lid after it is opened. 3 Luggage design
3.1 Luggage shape
The shape of luggage includes length, width, corrugation, arc, curved surface, etc. 3.2 Three standard samples
A general term for the original sample, production sample, and process standard for making luggage. 3.3 Bottom sample
As the original sample of luggage.
3.4 Box length
The longest point of the outer contour of the box mouth.
3.5 Box weight
The net weight of the box after assembly.
3.6 Bag size specifications
Ordinary soft bags have representative length and width dimensions; irregular women's bags (such as crescent bags and multi-shaped bags) generally take the main zipper length or opening length dimensions.
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3.7 Four-round slow drum
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The four corners of the box are round, and the bottom and lid are slowly convex. 3.8 Front arc
The front arc of the bottom and lid of the box.
3.9 Back arc height
The distance between the center of the back arc of the bottom and lid of the box and the horizontal line. 3.10 Fillet radius
The radius of the corner of the box.
3.11 Radius of circle
The radius of the eight circular edges of the box.
3.12 Joint quantity
The processing joint quantity required for joint.
3.13 Edge quantity
The processing allowance required for edge.
3.14 Forming specification
The length dimension of the aluminum mouth and box shell forming control specification. 3.15 Angle center line
The position line of the middle of the cover angle, bottom angle and side angle 3.16 Streamline
The edge, face and corner of the box are curved and curved. 3.17 Square angle
The box side is square.
3.18 Four-round
The four-pointed star rounded corner of the box and the side wall.
3.19 Color arrangement
The uniform matching of the colors of each component on a product. 3.20 Style Conception
After the product size and structure are determined, the design concept of the appearance is determined. 4 Raw and auxiliary materials
4.1 Determination principles
4.1.1 The main raw material leather shall be implemented in accordance with SG2 "Leather Industry Terminology". 4.1.2 Surface layer materials indicate the base material and coating material. 4.2 Terminology
4.2.1 Artificial leather
Leather with warp and weft interwoven cotton textiles as the base and plastic coating. 4.2.2 Synthetic leather
Leather with non-woven fabrics as the base.
4.2.3 Nylon silk leather
Leather with warp and weft interwoven nylon textiles as the outer fabric. 4.2.4 Checkered olefin leather
Generally refers to leather with olefin plastic as the coating and checkered cotton fabric as the outer fabric. 4.2.5 Canvas rubber leather
QB/T3639—1999
Generally refers to leather material with polyethylene plastic coating and cotton canvas as the outer surface. 4.2.6 Machine-made wood plywood
Plywood made from yew trees, with excellent wood quality and fine texture. 4.2.7 Hardwood plywood
Plywood made from willow, maple, and sand elm, which is brittle in nature and has uneven texture. 4.2.8 Plastic sheet
Extruded board of various brands of engineering plastics.
4.2.9 Yellow cardboard
Cardboard made from straw pulp, with good rigidity. 4.2.10 White cardboard
Cardboard made from pulped waste paper and old cloth, with weak rigidity. 4.2.11 Boxboard
Cardboard made from wood pulp, with strong rigidity and excellent physical properties, including steelboard. 4.2.12 Bamboo woven sheet
Thin mat sheet made of bamboo stems and warp weaving, with good ductility and toughness. 4.2.13 Beautiful silk
The warp and weft are woven with rayon, the fabric is tight, the silk surface is smooth and thick. 4.2.14 Feather yarn
The warp and weft are woven with chemical fiber yarn.
4.2.15 Cotton canvas
The warp and weft are woven with 2X2 strands or more of cotton fabric. 4.2.16 Velvet
Cotton fabric with high velvet planted on the warp and weft weaving. 4.2.17 Foam sheet
Polyurethane foam sheet for box lining and soft bag lining. 4.2.18 Non-woven sheet
Low-grade adhesive cotton sheet for lining, with weak elasticity. 4.2.19 Triangle wood
Triangle-shaped wood strips with one 90-degree angle and two 45-degree angles. 4.2.20 Aluminum mouth
Aluminum frame box mouth that acts as a frame for box products. 4.2.21 Iron mouth
Iron frame box mouth that acts as a frame for box products. 4.2.22 Wood mouth
Square wood frame box mouth that acts as a frame for the box cover. Note: The box mouth shapes include "four-rib mouth, double-rib mouth, six-rib mouth, trough mouth, and single-rib mouth". 4.2.23 Steel plate mouth
Steel plate strips that increase the hardness of the box side. 4.2.24 Iron lining
Ordinary iron bars that are placed on the bag to increase the hardness. 4.2.25 Plastic skin
Thin plastic sheet with dark patterns without a base. 4.2.26 Suspension lock
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Box lock with the lock head and lock base in a hanging manner. 4.2.27 Crab shell lock
Lock with a "crab shell" shape.
4.2.28 Pair lock
Lock with the lock head and lock base installed horizontally.
4.2.29 Mortise lock
Lock with the lock head and lock base in a plug-in and take-out mode. 4.2.30 Moving lock
Lock with manual moving mode.
4.2.31 Password lock
High-end lock with password switch (main types include password pair lock and long password lock). 4.2.32 Luggage pin lock
Special luggage pin lock with exquisite appearance. 4.2.33 Gram code
Metal fittings that act as moving gates.
4.2.34 Hinge
Metal fittings (or hinges) that hinge and rotate between the lid and the bottom of the box to open it. 4.2.35 Box support
Metal frame that supports the box after it is opened (installed on most briefcases). 4.2.36 Cover
Chrome-plated decorative strip installed on the front of the box 4.2.37 Long lock
Lock with a long appearance.
4.2.38 Wheel support
The fixed support for the wheels of the luggage.
4.2.39 Handle support
The fixed support for the box handle.
4.2.40 Handle palm
7\-shaped long strip fittings. wwW.bzxz.Net
Parts installed under the box handle and at both ends of the handle (or called handle). There are materials such as metal, natural leather, and artificial leather. 4.2.41 Hooks and rings
Various hooks and rings installed on boxes, side walls, and belt heads. Available in metal, plastic, and other materials. 4.2.42 Handle beads
Small cylindrical metal accessories for fixing box handles. 4.2.43 Four-piece buckles
Accessories that function as buckles. Available in various specifications and shapes. 4.2.44 Pins
Accessories that function as fixation. Available in various specifications and shapes. 4.2.45 Locking nails
Special metal iron nails used for riveting and other parts. Available in various sizes. 4.2.46 Spring hooks
Small iron hooks with spring leaves.
4.2.47 Decorative buckles
Metal buckles that function as decoration. Available in various patterns and shapes. 213
4.2.48 Three-way chain
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Accessories with two square holes for adjusting the length of luggage straps. Shaped like the Chinese character "日". 4.2.49 Corner wraps
Various corner wraps installed at the corners of boxes and corners for protection. 4.2.50 Buckle
Accessories that act as buckles when the straps are matched. Made of various materials. 4.2.51 Solder
A metal part that is used to fix the length of the straps. 4.2.52 Stud nails
Accessories that act as standing supports at the bottom of boxes and bags. Made of various materials such as metal and plastic. 4.2.53 Neoprene adhesive
Adhesive with neoprene as the main component. 4.2.54 Vinyl chloride glue
Chemical pulp. Adhesion to the upper part, inner lining and other parts.
4.2.55 Polyvinyl acetate emulsion adhesive
Chemical emulsion adhesive, mainly used for bonding wood materials (white latex). 4.2.56 Acrylic adhesive
Adhesive with acrylic acid as the main component. Mostly used for bonding leather and artificial leather. 4.2.57 Phenolic resin
Chemical thermosetting adhesive with benzene and formaldehyde as the main components. 4.2.58 Paste
Adhesive paste with wheat as the main component. Adhesion to the upper wall, inner lining and other parts. 4.2.59 Cyclohexanone
Adhesion aid. Adhesion solvent between plastic and PVC. 4.2.60 Plastic tooth core
Extrusion molding, it has a long plastic wire with a certain diameter. Used as the inner core of boxes and tooth packing. 5 Main process operation
5.1 Determination principle
According to the processing method;
According to the operation action,
According to the processed parts;
According to the materials used;
According to the physical and chemical reaction.
5.2 Terminology
5. 2.1 Drawing materials
Draw the cutting line on the raw materials according to the standard sample specifications of the raw materials. 5.2.2 Machine cutting raw materials
The machine punches out various parts of artificial leather, natural leather, cloth, and silk for making bags. 5.2.3 Machine cutting raw materials
The machine cuts various parts of cardboard, paper, artificial leather, natural leather, etc. 5.2.4 Machine sawing cutting
The machine saws various parts of plywood, corner wood, etc. 214
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5.2.5 Machine edge
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Machine-cut plywood, cardboard wall joints and leather edges. 5.2.6 Box mouth drawing
Draw dimension lines for various box mouths.
5.2.7 Box mouth forming
Various box mouths, corner rolling.
5.2.8 Iron mouth welding
At the iron mouth joint, use butt welding.
5.2.9 Aluminum mouth oxidation
Aluminum-magnesium alloy box mouth is subjected to oxidation and polishing chemical treatment process. 5.2.10 Lining point gauge point
Draw out the track lines and gauge points for various machine sewing 5.2.11 Lining sewing
Combined sewing in various boxes.
5.2.12 High-frequency embossing
Use high-frequency heating technology to press various patterns on leather. 5.2.13 High-frequency heat sealing
Use high-frequency heating to print tracks on leather. 5.2.14 Spraying
Spray color and brightener on the surface of the sheet. 5.2.15 Brushing water
Brush soapy water of a certain temperature and concentration around the plywood and cardboard sheets and at the corners. 5.2.16 Apply talcum powder
Apply even talcum powder around the cardboard sheets. 5.2.17 Pressing shell
Use a press to press out the molded box shell.
5.2.18 Side
Shape the side strips and glue the side wall ring interface. 5.2.19 Heat setting of wooden shell
Use machine hot pressing plywood, upper cover, lower bottom and corner wood to glue and set. 5.2.20 Cold gluing of the shell
Cold gluing of the plywood bottom, cover parts and side ring, and nailing the shell to shape. 5.2.21 Rounding
Shape the triangular edge of the wooden shell into an arc edge with a certain radius. 5.2.22 Polishing
Sand the box shell with sandpaper to make it smooth.
5.2.23 Nail opening
Nail a piece of wood strip, paper strip, etc. that is higher than the upper edge of the bottom shell along the bottom of the box. After the small box is closed, the bottom surface of the lid is flat and uniform. 5.2.24 Vacuum forming
Plastic sheets are formed by heating, blowing, vacuuming, cooling and forming. 5.2.25 Gluing box surface
Gluing leather and other sheets to the box shell and box side. 5.2.26 Sewing plastic ribs
Sew plastic ribs at the joint between the bottom cover and the side. 5.2.27 Sewing side covers
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Sew the side covers on both sides of the large surface of the square corner suitcase. 5.2.28 Nesting
Manually nest the flat box surface into a three-dimensional box bottom and box cover parts. 5.2.29 Sewing pillars
Sew the front and back covers and the side covers together. Often used on square corner boxes. 5.2.30 Sewing soldering irons
Sew metal soldering irons on the soldering iron belt.
5.2.31 Install the iron mouth
Install the iron mouth neatly on the edge of the bottom of the box and wrap it tightly with the side leather. 5.2.32 Install the main mouth
Use a large round-headed long nail to firmly nail the wooden mouth and the box cover together. 5.2.33 Install the aluminum mouth
Use riveting, extrusion, and pounding methods to firmly combine the aluminum mouth and the box shell. 5.2.34, Locking groove
Use a tool to punch out a slot hole the size of the lock bottom at the position where the lock is installed on the box surface. 5.2.35 Punch the wheel bottom hole
Use a tool to punch out a hole the size of the wheel bottom on the back and side of the box. 5.2.36 Rivet the box lock
According to the position specified by the process, punch the nail hole to install the box lock accessories and rivet the lock nails. 5.2.37 Rivet code
Drill nail holes on the upper and side panels of the box, and install accessories and rivet lock nails. 5.2.38 Rivet hinges
Drill holes at the specified positions on the back panel of the box, and install hinges and rivet lock nails. 5.2.39 Install handle support
Rivet and install the handle support at the center of the front panel of the box (the handle support is divided into single and double types). 5.2.40 Install the box handle
Drill the handle bead hole, fix the handle bead to the box handle, and tighten the fixing screws. 5.2.41 Fix the cover
Fix the cover to the aluminum opening of the front panel with special fixing screws. 5.2.42 Install the long combination lock
Expose the combination wheel at the center of the cover and install it firmly with screws. 5.2.43 Rivet the box bracket
Rivet the metal bracket supporting the box cover in the two side panels of the box. 5.2.44 Riveting wheel supports
Drill holes for nails at the bottom of the suitcase, install wheel supports, and rivet rivets. 5.2.45 Riveting running wheels
Drill holes for nails at the bottom of the suitcase and bags, and rivet the running wheels. 5.2.46 Installing rivets
Install rivets at the bottom, back, and the middle of the four corners of the suitcase and bags (rivets are made of metal and plastic). 5.2.47 Installing decorative parts
Install accessories on the suitcase and bags that are riveted for decorative purposes. 216
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5.2.48 Installing trademarks
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Install special markings to indicate products on the suitcase and bags. 5.2.49 Gluing the lining of the suitcase
Glue the lining inside the suitcase and flatten and compact it. 5.2.50 Gluing the sheet cloth
Glue the sheet cloth on the bottom of the box and the back of the cover, and roll it flat and compact it. 5.2.51 Finishing
Complete the overall finishing and decoration of the luggage. 5.2.52 Drying
After the suitcase is assembled, air dry it for a period of time under high temperature conditions. 5.2.53 Steel wire shaping
Bend the steel wire used for teeth with four fillets of a certain radius, and weld them into a rectangular steel wire ring. 5.2.54 Steel wire casing
Use a special iron casing to cover the two joints of the bent steel wire teeth to form a tooth ring. 5.2.55 Steel plate mouth convex
Extrude a steel strip with a certain radius from a straight steel strip. 5.2.56 Steel plate mouth shaping
Use the steel strip with a good convexity to bend the two corners and four corners to shape. 5.2.57 Sewing teeth
Wrap the teeth core with teeth strips, sew them into teeth, and sew them on the four edges of the large surface. 5.2.58 Sewing zippers
Sew the zippers on the zipper strips.
5.2.59 Sewing handles
Sew the handle pieces into handle parts. 5.2.60 Riveting handles
Insert the handle heads into the notches of the large handles and rivet the nails. 5.2.61 Sewing straps
Sew the back sheet into straps.
5.2.62 Putting buckles on the pockets
The small pockets are buckled on the bag surface and sewn into the body. 5.2.63 Sewing hooks and loops
Sew the various small loops with hooks and loops on them flatly at the joints of the wall. 5.2.64 Joining the side wall
Join the zipper strip and the bottom wall together to form the wall component. 5.2.65 Closing
Sew the large surface with the side and the wall together to form the main part of the product. 5.2.66 Internal hemming
Sew the edges of the large surface with the side and the additional seams with various materials. 5.2.67 Turning over
Turn the soft box and the bag inside out.
5.2.68 Installing the bottom
Install the cardboard hard bottom (the hard bottom can also be made of other materials) at the bottom of the bag and rivet it flat. 5.2.69 Supporting the side
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Support the board side ring (the side ring material is metal, wood, etc.) in the soft box body and rivet it. 5.2.70 Rivet iron handle
Drill a hole on the surface, insert the iron handle from the top into the hole of the iron lining frame under the surface, and rivet it flat. 5.2.71 Rivet plug lock
Install the lock bottom on the surface, and rivet the plug lock head on the lock belt. 5.2.72 Upper shelf mouth
Use the extrusion bonding method to firmly embed the shelf mouth at the opening of the women's bag. 5.2.73 Piping
On the edge of the sheet or component, press the reverse side of the strip leather to align the upper machine thread, then turn the strip leather over, wrap the edge, and sew the machine thread again. 5.2.74 Binding
The two fabrics overlap, fold the raised edge leather on one side down to wrap the edge of the other side, and sew with machine thread. 5.2.75 Edge bonding
When two fabrics overlap, apply adhesive to one of the raised edge leathers, fold it down and stick it to the edge of the other fabric (after gluing, it is usually clamped for a period of time with an elastic clip).
5.2.76 Silk screen printing
A process of printing patterns, texts, and trademarks on sheets using silk screen printing. 5.2.77 Hot stamping
A process of hot stamping an electrochemical aluminum film with patterns, texts, and trademarks on sheets. 6 Luggage products
6.1 Composition format
a. Types of luggage materials;
b. Process characteristics and structural types;
Objects of use and categories of finished products.
6.2 Determination principles
The main types of luggage materials, process characteristics, and structural types are shown in the following block diagram. Modification
Surface material
Artificial leather
6.3 Examples of terms
6.3.1 Nylon silk leather steel plate soft travel case
6.3.2 Artificial leather hard shell backpack
6.3.3 Sheepskin frame handle women's bag
7 Product quality defects
7.1 Classification of quality defects
Central words
Inner tube, frame materials
Modifiers
Technological features
Appearance style
Artificial leather paper mold jade travel suitcase
Product name
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Object of use
Finished product category
Travel suitcase
a. Appearance quality defects;
b. Physical and chemical performance defects.
7.2 Terminology
7.2.1 Poor shape
Poor shape and unreasonable shape.
7.2.2 Unreasonable structure
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The product structure has obvious deficiencies, improper material selection, and prominent problems with the firmness of accessories. 7.2.3 Color difference
The color difference is large or there are spots.
7.2.4 Length tolerance
The length dimension exceeds the tolerance range.
7.2.5 Overweight
The product's deadweight exceeds the standard specified indicators.
7.2.6 Skew
The main part of the product is not square and has unevenness. 7.2.7 Bubbling
The box surface and the box shell are not firmly glued together, and the cardboard and the box shell are not firmly glued together, forming a bulging bubble on the outside. 7.2.8 Wrinkles at the box corners
At the box corners, wrinkles are formed due to poor stretching of the fabric and uneven adhesion, and wrinkles are formed due to poor molding of the box shell itself. 7.2.9 Scratches on the fabric
Improper operation, obvious scratch marks on the fabric. 7.2. 10 Dropped
The aluminum mouth of the box is not firmly assembled and detached from the box shell. 7.2.11 Smashed hardware
Improper operation, there are marks of tool smashing on the accessories. 7.2.12 Large gap between the box mouth joint
The box mouth joint exceeds the gap tolerance specified in the standard. 7.2.13 Lining warping
The lining is not pasted evenly and has warping. 7.2.14 Glue penetration
The lining is too glued or too thin, and there are obvious slurry marks through the lining. 7.2.15 Asymmetric accessories
The same accessories are installed on a product, and the distance from the center position exceeds the symmetry tolerance range. 7.2.16 Loose accessories
The accessories are riveted, installed loosely, and are not solid. 7.2.17 Box lock failure
The lock core is not flexible to rotate, and it cannot even be opened or locked. The password lock has skipped numbers and unhooked. 7.2.18 Aluminum mouth flowers
Poor oxidation plating, with obvious oxidation spots. 7.2.19 Soft aluminum mouth
The hardness of the aluminum mouth of the box is lower than Brinell 45.
7.2.20 High humidity
The water content of the product exceeds 18%.
7.2.21 Falling of blister nails
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Not firmly installed, the blister nails fall off the luggage under normal use. 7.2.22 Falling of wheels
Not firmly installed, the wheels fall off the luggage under normal use under the allowable external force. 7.2.23 Falling of handles
Not firmly installed, the handles fall off the luggage under the allowable load. 7.2.24 Deformation of suitcase
Within the specified external force range, the suitcase has obvious deformation. 7.2.25 Collapse of suitcase
Within the specified allowable external force range, the suitcase has obvious collapse. 7.2.26 Damage of wheels
Within the specified allowable load range, the wheels are damaged and fail to function. 7.2.27 Cracks
The box body is within the specified force range, and the box shell and box side are cracked. 7.2.28 Loose surface
The large surface and the sugar wall are not well matched, and the large surface is obviously not flat and not tight. 7.2.29 Bumps
There are bumps larger than 3mm on the fabric.
7.2.30 Imprints
The dead fold marks caused by folding and pressing of the fabric and the imprints caused by the artificial leather process. 7.2.31 The upper surface is uneven
The seams at the upper part are not evenly connected, and there are obvious marks of upper connection. 7.2.32 The longitudinal length of the upper wall
The perimeter of the upper wall is much greater than the perimeter of the main surface. After the upper wall is closed, it is wrinkled and looks like a lotus leaf. 7.2.33 The stitches are skipped
The upper stitches are not sewn.
7.2.34 The upper thread
The upper and lower threads are not matched, and there is a thread loop that is not tightened on the upper thread or the lower thread. 7.2.35 The lower thread is turned
The upper thread is too tight, so that the lower thread is turned out from the eyelet. 7.2.36 The eyelets are exposed
When the stitches are re-sewn on the fabric, all the old eyelets are not closed again, and the original eyelets are exposed. 7.2.37 The stitches are not straight
The stitches are obviously skewed.
7.2.38 Uneven stitch length
Within a unit distance, the stitch length varies. 7.2.39 Too long stitch length
Within a unit distance, the number of stitches is less than the specified number of stitches. 7.2.40 Too short stitch length
Within a unit distance, the number of stitches is more than the specified number of stitches. 7.2.41 Exposed thread
When closing the sewing thread, the thread is closed too shallowly, exposing the thread traces of the upper thread. 7.2.42 Exposed thread ends
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