CN110331509A - A kind of knitting machine crossbeam and its production technology - Google Patents
A kind of knitting machine crossbeam and its production technology Download PDFInfo
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- CN110331509A CN110331509A CN201910294795.4A CN201910294795A CN110331509A CN 110331509 A CN110331509 A CN 110331509A CN 201910294795 A CN201910294795 A CN 201910294795A CN 110331509 A CN110331509 A CN 110331509A
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- knitting machine
- mold
- machine crossbeam
- production technology
- beam body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/60—Releasing, lubricating or separating agents
- B29C33/62—Releasing, lubricating or separating agents based on polymers or oligomers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/345—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using matched moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
- B29C70/545—Perforating, cutting or machining during or after moulding
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/001—Profiled members, e.g. beams, sections
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Composite Materials (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Reinforced Plastic Materials (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a kind of knitting machine crossbeam and its production technologies, including cross-beam body, the first groove is offered on the left of the cross-beam body inner cavity, the second groove is offered at the top of the cross-beam body, it is fixedly connected with protrusive board on rear side of the cross-beam body, fixation hole is offered at the top of the protrusive board, the quantity of the fixation hole is five, preferably, the factory formula of the knitting machine crossbeam is as follows: epoxy resin 65%-70%；Cobalt iso-octoate promotor 1%-2%；Methyl ethyl ketone peroxide curing agent 2%-4%；Glass fibre 10%-14%；Polyurethane adhesive 5%-7%.The present invention solves existing knitting machine crossbeam and its production technology falls behind, finished product is not able to satisfy the problem of current demand, knitting machine crossbeam and its production technology have advantage convenient to use in the present invention, the crossbeam produced, wearability is high, high mechanical strength, production cost is low, long service life meets the current demand of enterprise, promotes the further development of knitting machine.
Description
Technical field
The present invention relates to knitting technology field, specially a kind of knitting machine crossbeam and its production technology.
Background technique
Knitting is that various raw materials and the yarn of kind are constituted coil using knitting needle, connect into the work of knitted fabric through string set again
Skill process, knitted fabric quality is soft, there is good wrinkle resistance and gas permeability, and has biggish extensibility and elasticity, comfortable and easy to wear,
Product is knitted in addition to for taking and decorating, it may also be used for the fields such as industrial or agricultural and health care and national defence are knitted departure work
Knitting and two class of machine knitting, hand knitting uses large knitting needle, with a long history, and skill is exquisite, and flower-shape is flexible and changeable, obtains civil
Widespread and development knitting machine are machines used in machine knitting.
Knitting machine is essential component part in knitting field, and crossbeam is the important component of knitting machine, however
The crossbeam that existing knitting machine crossbeam production technology is produced, wears no resistance, and mechanical strength is low, high production cost, uses
Service life is short, limits the development of knitting machine.
Summary of the invention
The purpose of the present invention is to provide a kind of knitting machine crossbeam and its production technologies, have advantage convenient to use, solution
The problem of existing knitting machine crossbeam and its production technology of having determined fall behind, and finished product is not able to satisfy current demand.
To achieve the above object, the invention provides the following technical scheme: a kind of knitting machine crossbeam and its production technology, including
Cross-beam body offers the first groove on the left of the cross-beam body inner cavity, and it is recessed to offer second at the top of the cross-beam body
Slot is fixedly connected with protrusive board on rear side of the cross-beam body, fixation hole, the number of the fixation hole is offered at the top of the protrusive board
Amount is five.
Preferably, the factory formula of the knitting machine crossbeam is as follows:
Epoxy resin 65%-70%；
Cobalt iso-octoate promotor 1%-2%；
Methyl ethyl ketone peroxide curing agent 2%-4%；
Glass fibre 10%-14%；
Polyurethane adhesive 5%-7%；
Dibutyl phthalate 10%-15%；
Ethylenediamine 3%-10%.
Preferably, the production stage of the knitting machine crossbeam is as follows:
Step 1: mold arranges；It after mold clean, is wiped clean with soft gauze, is applied on the surface of upper mold and lower mold
Polyvinyl alcohol release agent is smeared, stands 20 minutes to 30 minutes；
Step 2: melting；By epoxy resin, cobalt iso-octoate promotor, methyl ethyl ketone peroxide curing agent, two fourth of phthalic acid
Ester, ethylenediamine are proportionally added in vacuum electric hot stove, raise the temperature to 280 degrees Celsius to 350 degrees Celsius, heating time
Control is between 15 minutes to 45 minutes；
Step 3: enter mould；First paint the resin melt of a thick layer molten condition as homogeneously as possible on mold, then
Layer overlay glass fibre, and it is solid with brush pressure, and resin melt is come up thoroughly along glass fabric, is soaked completely in glass fabric
After thoroughly, resin is poured into the top of glass fibre, continues to paste following resin and glass fabric in aforementioned manners, until reaching mould
The thickness of tool, it is every to smear one layer, glass fibre will be made to be impregnated with completely, every layer of glass fibre is made all to drain bubble, and be bonded good
It is good；
Step 4: molding；Upper mold and lower mold are molded, hydraulic press pressing and forming is used；
Step 5: room temperature curing；By the idiosome in mold, natural cooling completion in 20 hours to 24 hours solidifies at room temperature；
Step 6: demoulding；It will be taken out from the inner cavity of upper mold and lower mold by cured idiosome, it is more difficult to the part of depanning,
Can between product and mold blowing compressed air, by cutting line branch flash and repair defect, i.e., using sweep-saw or angle grinder along zero
The edge line of part cuts away flash, and repairs to the defective place of piece surface；
Step 7: polishing, aperture；The surface of idiosome is finished using grinding device and drilling equipment；
Step 8: curing；Idiosome after polishing is stood 150 hours to 170 hours in dust-free workshop, completes production.
Preferably, in the step 1 polyvinyl alcohol release agent formula be polyvinyl alcohol 8%-14%, ethyl alcohol 40%-60% and
Water 40%-50%.
Preferably, the surface of upper mold and lower mold is coated with polyurethane adhesive in the step 4 molding.
Preferably, the storage environment of mold is at shady and cool ventilation in the step 5 room temperature curing.
Preferably, temperature can properly increase 3 degrees Celsius to 7 degrees Celsius on the basis of room temperature in the step 8 curing.
Compared with prior art, beneficial effects of the present invention are as follows:
The problem of present invention solves existing knitting machine crossbeam and its production technology falls behind, and finished product is not able to satisfy current demand,
Knitting machine crossbeam and its production technology have advantage convenient to use in the present invention, the crossbeam produced, and wearability is high, machine
Tool intensity is high, and production cost is low, long service life, meets the current demand of enterprise, promotes the further development of knitting machine.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
In figure: 1, cross-beam body；2, the first groove；3, the second groove；4, protrusive board；5, fixation hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1: refering to fig. 1:
It is recessed to offer first on the left of 1 inner cavity of cross-beam body for a kind of knitting machine crossbeam and its production technology, including cross-beam body 1
Slot 2, the top of cross-beam body 1 offer the second groove 3, and the rear side of cross-beam body 1 is fixedly connected with protrusive board 4, the top of protrusive board 4
Fixation hole 5 is offered, the quantity of fixation hole 5 is five.
In the present invention: the factory formula of knitting machine crossbeam is as follows:
Epoxy resin 67%；
Cobalt iso-octoate promotor 1%；
Methyl ethyl ketone peroxide curing agent 2%；
Glass fibre 10%；
Polyurethane adhesive 5%；
Dibutyl phthalate 10%；
Ethylenediamine 5%.
In the present invention: the production stage of knitting machine crossbeam is as follows:
Step 1: mold arranges；It after mold clean, is wiped clean with soft gauze, is applied on the surface of upper mold and lower mold
Polyvinyl alcohol release agent is smeared, stands 20 minutes, the formula of polyvinyl alcohol release agent is polyvinyl alcohol 10%, ethyl alcohol 50% in step 1
With water 40%.
Step 2: melting；By epoxy resin, cobalt iso-octoate promotor, methyl ethyl ketone peroxide curing agent, phthalic acid two
Butyl ester, ethylenediamine are proportionally added in vacuum electric hot stove, raise the temperature to 320 degrees Celsius, heating time controls 25
Between minute.
Step 3: enter mould；First paint the resin melt of a thick layer molten condition as homogeneously as possible on mold,
Then layer overlay glass fibre, and it is solid with brush pressure, and resin melt is come up thoroughly along glass fabric, complete in glass fabric
After being impregnated with entirely, resin is poured into the top of glass fibre, continues to paste following resin and glass fabric in aforementioned manners, until reaching
It is every to smear one layer to the thickness of mold, glass fibre will be made to be impregnated with completely, so that every layer of glass fibre is all drained bubble, and paste
It closes good.
Step 4: molding；Upper mold and lower mold are molded, using hydraulic press pressing and forming, in step 4 molding
The surface of upper mold and lower mold is coated with polyurethane adhesive.
Step 5: room temperature curing；By the idiosome in mold, natural cooling completion in 22 hours solidifies at room temperature, step 5 room
Temperature solidify in mold storage environment at shady and cool ventilation.
Step 6: demoulding；It will be taken out from the inner cavity of upper mold and lower mold by cured idiosome, it is more difficult to the zero of depanning
Part, can between product and mold blowing compressed air, by cutting line branch flash and repair defect, that is, use sweep-saw or angle grinder edge
The edge line of part cuts away flash, and repairs to the defective place of piece surface.
Step 7: polishing, aperture；The surface of idiosome is finished using grinding device and drilling equipment.
Step 8: curing；Idiosome after polishing is stood 160 hours in dust-free workshop, completes production, step 8
Temperature can properly increase 3 degrees Celsius on the basis of room temperature in curing.
Embodiment 2: refering to fig. 1:
It is recessed to offer first on the left of 1 inner cavity of cross-beam body for a kind of knitting machine crossbeam and its production technology, including cross-beam body 1
Slot 2, the top of cross-beam body 1 offer the second groove 3, and the rear side of cross-beam body 1 is fixedly connected with protrusive board 4, the top of protrusive board 4
Fixation hole 5 is offered, the quantity of fixation hole 5 is five.
In the present invention: the factory formula of knitting machine crossbeam is as follows:
Epoxy resin 65%；
Cobalt iso-octoate promotor 2%；
Methyl ethyl ketone peroxide curing agent 2%；
Glass fibre 12%；
Polyurethane adhesive 5%；
Dibutyl phthalate 10%；
Ethylenediamine 3%.
In the present invention: the production stage of knitting machine crossbeam is as follows:
Step 1: mold arranges；It after mold clean, is wiped clean with soft gauze, is applied on the surface of upper mold and lower mold
Polyvinyl alcohol release agent is smeared, stands 24 minutes, the formula of polyvinyl alcohol release agent is polyvinyl alcohol 10%, ethyl alcohol 50% in step 1
With water 40%.
Step 2: melting；By epoxy resin, cobalt iso-octoate promotor, methyl ethyl ketone peroxide curing agent, phthalic acid two
Butyl ester, ethylenediamine are proportionally added in vacuum electric hot stove, raise the temperature to 310 degrees Celsius, heating time controls 30
Between minute.
Step 3: enter mould；First paint the resin melt of a thick layer molten condition as homogeneously as possible on mold,
Then layer overlay glass fibre, and it is solid with brush pressure, and resin melt is come up thoroughly along glass fabric, complete in glass fabric
After being impregnated with entirely, resin is poured into the top of glass fibre, continues to paste following resin and glass fabric in aforementioned manners, until reaching
It is every to smear one layer to the thickness of mold, glass fibre will be made to be impregnated with completely, so that every layer of glass fibre is all drained bubble, and paste
It closes good.
Step 4: molding；Upper mold and lower mold are molded, using hydraulic press pressing and forming, in step 4 molding
The surface of upper mold and lower mold is coated with polyurethane adhesive.
Step 5: room temperature curing；By the idiosome in mold, natural cooling completion in 24 hours solidifies at room temperature, step 5 room
Temperature solidify in mold storage environment at shady and cool ventilation.
Step 6: demoulding；It will be taken out from the inner cavity of upper mold and lower mold by cured idiosome, it is more difficult to the zero of depanning
Part, can between product and mold blowing compressed air, by cutting line branch flash and repair defect, that is, use sweep-saw or angle grinder edge
The edge line of part cuts away flash, and repairs to the defective place of piece surface.
Step 7: polishing, aperture；The surface of idiosome is finished using grinding device and drilling equipment.
Step 8: curing；Idiosome after polishing is stood 170 hours in dust-free workshop, completes production, step 8
Temperature can properly increase 5 degrees Celsius on the basis of room temperature in curing.
Embodiment 3: refering to fig. 1:
It is recessed to offer first on the left of 1 inner cavity of cross-beam body for a kind of knitting machine crossbeam and its production technology, including cross-beam body 1
Slot 2, the top of cross-beam body 1 offer the second groove 3, and the rear side of cross-beam body 1 is fixedly connected with protrusive board 4, the top of protrusive board 4
Fixation hole 5 is offered, the quantity of fixation hole 5 is five.
In the present invention: the factory formula of knitting machine crossbeam is as follows:
Epoxy resin 66%；
Cobalt iso-octoate promotor 1%；
Methyl ethyl ketone peroxide curing agent 3%；
Glass fibre 12%；
Polyurethane adhesive 5%；
Dibutyl phthalate 10%；
Ethylenediamine 3%.
In the present invention: the production stage of knitting machine crossbeam is as follows:
Step 1: mold arranges；It after mold clean, is wiped clean with soft gauze, is applied on the surface of upper mold and lower mold
Polyvinyl alcohol release agent is smeared, stands 30 minutes, the formula of polyvinyl alcohol release agent is polyvinyl alcohol 10%, ethyl alcohol 50% in step 1
With water 40%.
Step 2: melting；By epoxy resin, cobalt iso-octoate promotor, methyl ethyl ketone peroxide curing agent, phthalic acid two
Butyl ester, ethylenediamine are proportionally added in vacuum electric hot stove, raise the temperature to 330 degrees Celsius, heating time controls 30
Between minute.
Step 3: enter mould；First paint the resin melt of a thick layer molten condition as homogeneously as possible on mold,
Then layer overlay glass fibre, and it is solid with brush pressure, and resin melt is come up thoroughly along glass fabric, complete in glass fabric
After being impregnated with entirely, resin is poured into the top of glass fibre, continues to paste following resin and glass fabric in aforementioned manners, until reaching
It is every to smear one layer to the thickness of mold, glass fibre will be made to be impregnated with completely, so that every layer of glass fibre is all drained bubble, and paste
It closes good.
Step 4: molding；Upper mold and lower mold are molded, using hydraulic press pressing and forming, in step 4 molding
The surface of upper mold and lower mold is coated with polyurethane adhesive.
Step 5: room temperature curing；By the idiosome in mold, natural cooling completion in 24 hours solidifies at room temperature, step 5 room
Temperature solidify in mold storage environment at shady and cool ventilation.
Step 6: demoulding；It will be taken out from the inner cavity of upper mold and lower mold by cured idiosome, it is more difficult to the zero of depanning
Part, can between product and mold blowing compressed air, by cutting line branch flash and repair defect, that is, use sweep-saw or angle grinder edge
The edge line of part cuts away flash, and repairs to the defective place of piece surface.
Step 7: polishing, aperture；The surface of idiosome is finished using grinding device and drilling equipment.
Step 8: curing；Idiosome after polishing is stood 170 hours in dust-free workshop, completes production, step 8
Temperature can properly increase 4 degrees Celsius on the basis of room temperature in curing.
In summary: the knitting machine crossbeam and its production technology solve existing knitting machine crossbeam and its production technology
Fall behind, the problem of finished product is not able to satisfy current demand, knitting machine crossbeam and its production technology have convenient to use in the present invention
Advantage, the crossbeam produced, wearability is high, and high mechanical strength, production cost is low, and long service life meets enterprise
Current demand promotes the further development of knitting machine.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of knitting machine crossbeam and its production technology, including cross-beam body (1), it is characterised in that: in the cross-beam body (1)
It is offered on the left of chamber the first groove (2), offers the second groove (3), the cross-beam body at the top of the cross-beam body (1)
(1) it is fixedly connected on rear side of protrusive board (4), is offered fixation hole (5) at the top of the protrusive board (4), the number of the fixation hole (5)
Amount is five.
2. a kind of knitting machine crossbeam according to claim 1 and its production technology, it is characterised in that: the knitting machine crossbeam
Factory formula it is as follows:
Epoxy resin 65%-70%；
Cobalt iso-octoate promotor 1%-2%；
Methyl ethyl ketone peroxide curing agent 2%-4%；
Glass fibre 10%-14%；
Polyurethane adhesive 5%-7%；
Dibutyl phthalate 10%-15%；
Ethylenediamine 3%-10%.
3. a kind of knitting machine crossbeam according to claim 2 and its production technology, it is characterised in that: the knitting machine crossbeam
Production stage it is as follows:
Step 1: mold arranges；It after mold clean, is wiped clean with soft gauze, is applied on the surface of upper mold and lower mold
Polyvinyl alcohol release agent is smeared, stands 20 minutes to 30 minutes；
Step 2: melting；By epoxy resin, cobalt iso-octoate promotor, methyl ethyl ketone peroxide curing agent, two fourth of phthalic acid
Ester, ethylenediamine are proportionally added in vacuum electric hot stove, raise the temperature to 280 degrees Celsius to 350 degrees Celsius, heating time
Control is between 15 minutes to 45 minutes；
Step 3: enter mould；First paint the resin melt of a thick layer molten condition as homogeneously as possible on mold, then
Layer overlay glass fibre, and it is solid with brush pressure, and resin melt is come up thoroughly along glass fabric, is soaked completely in glass fabric
After thoroughly, resin is poured into the top of glass fibre, continues to paste following resin and glass fabric in aforementioned manners, until reaching mould
The thickness of tool, it is every to smear one layer, glass fibre will be made to be impregnated with completely, every layer of glass fibre is made all to drain bubble, and be bonded good
It is good；
Step 4: molding；Upper mold and lower mold are molded, hydraulic press pressing and forming is used；
Step 5: room temperature curing；By the idiosome in mold, natural cooling completion in 20 hours to 24 hours solidifies at room temperature；
Step 6: demoulding；It will be taken out from the inner cavity of upper mold and lower mold by cured idiosome, it is more difficult to the part of depanning,
Can between product and mold blowing compressed air, by cutting line branch flash and repair defect, i.e., using sweep-saw or angle grinder along zero
The edge line of part cuts away flash, and repairs to the defective place of piece surface；
Step 7: polishing, aperture；The surface of idiosome is finished using grinding device and drilling equipment；
Step 8: curing；Idiosome after polishing is stood 150 hours to 170 hours in dust-free workshop, completes production.
4. a kind of knitting machine crossbeam according to claim 3 and its production technology, it is characterised in that: gather in the step 1
The formula of vinyl alcohol release agent is polyvinyl alcohol 8%-14%, ethyl alcohol 40%-60% and water 40%-50%.
5. a kind of knitting machine crossbeam according to claim 3 and its production technology, it is characterised in that: the step 4 molding
The surface of middle upper mold and lower mold is coated with polyurethane adhesive.
6. a kind of knitting machine crossbeam according to claim 3 and its production technology, it is characterised in that: the step 5 room temperature
The storage environment of mold is at shady and cool ventilation in solidification.
7. a kind of knitting machine crossbeam according to claim 3 and its production technology, it is characterised in that: the step 8 curing
Middle temperature can properly increase 3 degrees Celsius to 7 degrees Celsius on the basis of room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294795.4A CN110331509A (en) | 2019-04-12 | 2019-04-12 | A kind of knitting machine crossbeam and its production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294795.4A CN110331509A (en) | 2019-04-12 | 2019-04-12 | A kind of knitting machine crossbeam and its production technology |
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| Publication Number | Publication Date |
|---|---|
| CN110331509A true CN110331509A (en) | 2019-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910294795.4A Pending CN110331509A (en) | 2019-04-12 | 2019-04-12 | A kind of knitting machine crossbeam and its production technology |
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| CN (1) | CN110331509A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111019297A (en) * | 2019-11-15 | 2020-04-17 | 鞍钢集团矿业有限公司 | Glass fiber reinforced resin matrix composite material and preparation method thereof |
-
2019
- 2019-04-12 CN CN201910294795.4A patent/CN110331509A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111019297A (en) * | 2019-11-15 | 2020-04-17 | 鞍钢集团矿业有限公司 | Glass fiber reinforced resin matrix composite material and preparation method thereof |
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Application publication date: 20191015 |