CN116124061A - Sand mold coating spraying thickness measurement method and process parameter control method - Google Patents

Sand mold coating spraying thickness measurement method and process parameter control method Download PDF

Info

Publication number
CN116124061A
CN116124061A CN202211523948.6A CN202211523948A CN116124061A CN 116124061 A CN116124061 A CN 116124061A CN 202211523948 A CN202211523948 A CN 202211523948A CN 116124061 A CN116124061 A CN 116124061A
Authority
CN
China
Prior art keywords
coating
thickness
spraying
sand mold
measuring plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211523948.6A
Other languages
Chinese (zh)
Inventor
冯月雪
雷铎
李雪冰
姜爱龙
伍启华
李娜
王新慧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weichai Power Co Ltd
Original Assignee
Weichai Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weichai Power Co Ltd filed Critical Weichai Power Co Ltd
Priority to CN202211523948.6A priority Critical patent/CN116124061A/en
Publication of CN116124061A publication Critical patent/CN116124061A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • G01B21/08—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 for measuring thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
    • G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
    • 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
    • G01B21/04—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 by measuring coordinates of points
    • G01B21/042—Calibration or calibration artifacts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

The invention provides a sand mould coating spraying thickness measuring method and a process parameter control method, which solve the problem that the thickness of a sand mould coating layer is difficult to detect by a non-contact thickness measuring means and establish a method system for guiding a spraying process; by using the measuring plate to bear the paint, a smooth and stable matrix is provided for the non-contact paint film thickness gauge, and errors caused by fluctuation of the detection result due to rough and uneven sand mould surface are avoided. And then, the thickness of the coating measured by the non-contact paint film thickness gauge is calibrated by the integral microscope, so that the measurement accuracy of the paint film thickness gauge is improved. The method for accurately detecting the thickness of the sand mold surface coating is obtained.

Description

Sand mold coating spraying thickness measurement method and process parameter control method
Technical Field
The invention belongs to the field of sand mould paint detection and spraying, and particularly relates to a sand mould paint spraying process parameter control method.
Background
In the casting production process, the sand sticking problem easily exists on the surface of a wet-cast sand mould casting, one of the effective control means at present is to spray a layer of refractory coating on the surface of the sand mould so as to prevent high-temperature molten iron from directly contacting the sand mould, and the spraying process is generally realized through automatic spraying equipment. The thickness of the sprayed coating layer directly determines the improvement degree of the sand-sticking defect of the casting, but the sand mold has rough surface, lower strength and soft coating texture; at present, the thickness of a coating is mainly detected by a contact thickness gauge and a non-contact thickness gauge in the industry;
the principle of the contact thickness gauge such as the magnetic thickness gauge is that the measuring head is contacted with the covering layer, the measuring head and the magnetic metal matrix form a closed loop, the magnetic field magnetic resistance is changed due to the existence of the non-magnetic covering layer, the thickness of the covering layer can be derived by measuring the change of the magnetic field magnetic resistance, but the measuring head of the contact thickness gauge is required to be tightly attached to the coating to realize the measurement, the common coating such as paint has certain strength after solidification, and the coating cannot be damaged in the measuring process. But the strength of the dried sand mould coating is extremely low, and the process of tightly attaching the measuring head and the coating is likely to squeeze and penetrate the coating. And because the sand mould texture is loose, the body intensity is lower, and the measuring head is easy to invade and destroy the sand mould when contacting, and the accuracy of the test result is influenced.
Non-contact gauges such as photothermal gauges: the surface of the coating to be measured is heated briefly by light pulse, the temperature of the coating is reduced after the temperature of the coating is raised, and heat energy is transmitted from the surface to the deeper region of the coating and the substrate. The rate of cooling of the coating depends on the thermal properties of the coating and the substrate: assuming that the thermal conductivity of the coating is smaller than that of the substrate, the thinner the coating the faster the surface temperature drops. The thickness and thermal properties of the coating determine the dynamic change in temperature and the thickness of the coating to be measured is analyzed by a specific algorithm. However, non-contact gauges typically use different conduction rates of sound waves or heat between the substrate and the coating to calculate the coating thickness, requiring a smooth substrate surface, a uniform material, and a rough sand mold surface that is difficult to provide stable measurements.
The detection means can not establish an accurate and stable evaluation method for the thickness of the sand mold surface coating layer, and can not determine the minimum thickness value of the coating layer on the premise that the casting has the optimal appearance, so that the sand bonding defect of the casting with the coating layer being too thin is serious, or the core setting difficulty and the coating cost increase are caused by the coating layer being too thick.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention solves the problem that the thickness of the sand mold coating layer is difficult to detect by a non-contact thickness measurement means, and establishes a method system for guiding the spraying process.
The technical scheme adopted by the invention is as follows:
in a first aspect, the invention provides a sand mold coating spraying thickness measuring method, which comprises the following steps:
step 1, placing a measuring plate on a sand mold, spraying a coating on the sand mold, controlling a spraying track to pass through the measuring plate in the spraying process (namely ensuring that the spraying thickness of the surface of the sand mold is equal to that of the surface of the measuring plate), and standing until ethanol in the coating volatilizes and dries to obtain a measuring plate with a specific coating thickness;
step 2, obtaining a series of measuring plates with different coating thicknesses by controlling spraying time, and primarily detecting the coating thickness d by using a non-contact paint film thickness gauge 1 ；
Step 3, accurately measuring the coating thickness d of the measuring plate by a measuring instrument 2 ；
Step 4 coating thickness d 2 Inputting into a non-contact paint film thickness gauge 1 Performing calibration;
step 5, measuring the measuring plate again by using the calibrated non-contact paint film thickness gauge, comparing the measuring plate with a physical microscope test value, judging whether the requirements are met, and if the difference is large, repeating the calibration work;
step 6, using the calibrated paint film thickness gauge to guide and adjust the spraying time t, spraying a series of coatings with a thickness on the sand mold of the same batch, and determining a proper coating thickness value d on the premise of obtaining the target appearance of the casting according to the sand bonding condition presented on the corresponding casting surface min 。
In a second aspect, the invention also provides a sand mould coating spraying process parameter adjusting method, which comprises the following steps:
step 1, placing a measuring plate on a sand mold, then spraying paint on the sand mold, and controlling a spraying track to pass through the measuring plate in the spraying process to ensure that the spraying thickness of the surface of the sand mold is equal to the spraying thickness of the surface of a steel plate; then, standing until ethanol in the coating volatilizes and dries to obtain a measuring plate with a specific coating thickness;
step 2, obtaining a series of measuring plates with different coating thicknesses by controlling spraying time, and primarily detecting the coating thickness d by using a non-contact paint film thickness gauge 1 ；
Step 3, accurately measuring the coating thickness d of the measuring plate by a measuring instrument 2 ；
Step 4 coating thickness d 2 Inputting into a non-contact paint film thickness gauge 1 Performing calibration;
step 5, measuring the measuring plate again by using the calibrated non-contact paint film thickness gauge, comparing the measuring plate with a physical microscope test value, judging whether the requirements are met, if so, turning to step 7, and if not, repeating the calibration work of step 4;
step 6, guiding and adjusting spraying time t by using a calibrated non-contact paint film thickness gauge, spraying a series of coatings with a same batch of sand molds, and determining a proper coating thickness value d on the premise of obtaining the target appearance of the castings according to the sand bonding condition presented by the corresponding casting surfaces min ；
Step 7 according to the coating thickness value d min And adjusting the spraying process parameters until the required coating thickness is obtained.
The beneficial effects of the invention are as follows:
according to the invention, the measuring plate is placed on the surface of the sand mold, then spraying operation is carried out under the same condition, the coating thicknesses of the measuring plate and the surface of the sand mold are the same, and the actual thickness value of the surface of the sand mold is indirectly obtained through the method; the measuring plate is used for bearing the paint, a smooth and stable matrix is provided for the non-contact paint film thickness gauge, and errors caused by fluctuation of a detection result due to rough and uneven sand mould surfaces are avoided; and then calibrating the thickness of the coating measured by the non-contact paint film thickness gauge through a physical microscope, thereby improving the measurement accuracy of the paint film thickness gauge. The method for accurately detecting the thickness of the sand mold surface coating is obtained. And determining a proper coating thickness value of the casting on the premise of having the target appearance by using the calibrated paint film thickness gauge so as to realize the balance of casting quality and production cost.
The invention uses the pre-established coating thickness to guide the process control method of the spraying process, adjusts the spraying process parameters represented by the coating density ρ, the spraying time t and the spraying height h according to the thickness measurement result of the non-contact type paint film thickness meter until the required coating thickness is obtained.
Drawings
FIG. 1 is a flow chart of a sand mold coating thickness measuring method proposed by the invention;
FIG. 2 is a flow chart of a method for adjusting parameters by spraying sand mould paint;
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the invention. 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.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular forms also are intended to include the plural forms unless the present invention clearly dictates otherwise, and furthermore, it should be understood that when the terms "comprise" and/or "include" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
noun interpretation section:
sand mold: during casting, sand cavities having a specific shape are typically formed from sand, binders and other additives to form the casting profile.
Sand bonding: the molten metal is immersed in the sand gaps on the surface of the cavity, resulting in an adhesion layer where the metal and sand are mixed on the surface of the casting.
As described in the background art, the prior art has the defects, and in order to solve the technical problems, the invention provides a sand mold coating thickness detection method and a spraying process control method.
Example 1
In a typical embodiment of the present invention, as shown in fig. 1, the method for detecting the thickness of the sand mold coating according to the present embodiment is as follows:
step 1, placing a 150mm 70mm 0.8mm steel plate on a sand mold, controlling a spraying track to pass through the steel plate, standing until ethanol in a coating volatilizes and dries after spraying is finished, and obtaining a steel plate with a specific coating thickness; it should be further noted that the size of the steel plate can be selected according to the need, and is not limited to the size disclosed in the present embodiment; specifically, paint is sprayed on the sand mold, and a spraying track is controlled to pass through the measuring plate in the spraying process, so that the spraying thickness of the surface of the sand mold is ensured to be equal to the spraying thickness of the surface of the steel plate;
step 2 according to the method of step 1, a series of steel plates with different coating thicknesses are obtained by controlling the spraying time, and a non-contact paint film thickness gauge is used for preliminarily detecting the coating thickness d 1 The method comprises the steps of carrying out a first treatment on the surface of the Obtaining a series of initial thicknesses d 1 ；；
Step 3 accurate measurement of coating thickness d on the Steel sheet in step 2 by means of a solid State microscope 2 Obtaining a series of accurate thickness values d 2 The specific measurement method is as follows:
the steel plate is vertically placed, and a notch is formed on the surface of the coating, so that judgment under a solid microscope is facilitatedParting line of coating and steel plate, and correctly measuring thickness d of coating 2 。
Step 4A series of coating thicknesses d obtained in step 3 2 Inputting into a non-contact paint film thickness gauge for the series of coating thicknesses d in the step 2 1 Calibration is performed.
And 5, measuring the steel plate again by using a calibrated non-contact paint film thickness gauge, comparing the steel plate with a physical microscope test value, judging whether the requirements are met, and repeating the calibration work in the step 4 if the difference is large.
Step 6, guiding and adjusting spraying time t of the sand mold by using the calibrated paint film thickness gauge, spraying a series of coatings with a thickness on the sand mold of the same batch, and determining a proper coating thickness value d on the premise of obtaining the target appearance of the casting according to the sand bonding condition presented by the corresponding casting surface min 。
The working principle of this embodiment is as follows: according to the embodiment, the steel plate is used for bearing the coating, a smooth and stable matrix is provided for the non-contact type paint film thickness gauge, errors caused by fluctuation of detection results due to rough sand mould surfaces are avoided, then the thickness of the coating measured by the non-contact type paint film thickness gauge is input and calibrated through a solid microscope, and secondary calibration is carried out by combining the solid microscope so as to improve the accuracy of the non-contact type paint film thickness gauge.
And guiding spraying time by using a paint film thickness gauge to obtain a sand mold with a series of coating thicknesses, and determining a proper coating thickness value of the casting on the premise of having a target appearance according to the corresponding sand bonding condition of the surface of the casting so as to realize the balance of casting quality and production cost.
It should be further noted that the steel plate in this embodiment is a carrier made of other materials with planar characteristics, including but not limited to an iron plate, an aluminum plate, a plastic plate, a wood plate or other composite plates, and the size is not limited.
It should be further noted that the non-contact paint film thickness gauge in this embodiment has other non-contact thickness measuring devices with non-contact characteristics, including, but not limited to, other non-contact thickness measuring devices using photothermal principles, magnetic induction principles, and ultrasonic principles.
It should be further noted that, the solid state microscope in this embodiment is a device having an accurate measurement function, and includes, but is not limited to, a microscope, an electron microscope, a metallographic microscope, and other devices and tools having an accurate measurement function.
Example 2
As shown in fig. 2, this embodiment provides a sand mold coating process parameter control method, which is as follows:
step 1, placing a 150mm 70mm 0.8mm steel plate on a sand mold, controlling a spraying track to pass through the steel plate, standing until ethanol in a coating volatilizes and dries after spraying is finished, and obtaining a steel plate with a specific coating thickness; it should be further noted that the size of the steel plate can be selected according to the need, and is not limited to the size disclosed in the present embodiment; specifically, paint is sprayed on the sand mold, and a spraying track is controlled to pass through the measuring plate in the spraying process, so that the spraying thickness of the surface of the sand mold is ensured to be equal to the spraying thickness of the surface of the steel plate;
step 2 according to the method of step 1, a series of steel plates with different coating thicknesses are obtained by controlling the spraying time, and a non-contact paint film thickness gauge is used for preliminarily detecting the coating thickness d 1 The method comprises the steps of carrying out a first treatment on the surface of the Obtaining a series of initial thicknesses d 1 ；；
Step 3 accurate measurement of coating thickness d on the Steel sheet in step 2 by means of a solid State microscope 2 Obtaining a series of accurate thickness values d 2 The specific measurement method is as follows:
the steel plate is vertically placed, a notch is formed on the surface of the coating, the parting line between the coating and the steel plate is judged under a solid microscope, and the thickness d of the coating is accurately measured 2 。
Step 4A series of coating thicknesses d obtained in step 3 2 Inputting into a non-contact paint film thickness gauge for the series of coating thicknesses d in the step 2 1 Calibration is performed.
Step 5, measuring the steel plate again by using a calibrated non-contact paint film thickness gauge, comparing the steel plate with a physical microscope test value, judging whether the requirements are met, and repeating the calibration work in the steps 1-4 if the difference is large;
step 6, guiding and adjusting spraying time t of the sand mold by using the calibrated paint film thickness gauge, spraying a series of coatings with a thickness on the sand mold of the same batch, and determining a proper coating thickness value d on the premise of obtaining the target appearance of the casting according to the sand bonding condition presented by the corresponding casting surface min 。
And 7, adjusting spraying technological parameters represented by the paint density rho, the spraying time t and the spraying height h according to the thickness measurement result of the non-contact paint film thickness meter until the required coating thickness is obtained.
In this embodiment, a process control method for guiding the spraying process of the coating thickness is established, and spraying process parameters represented by the coating density ρ, the spraying time t and the spraying height h are adjusted according to the thickness measurement result of the non-contact type paint film thickness gauge until the required coating thickness is obtained.
It should be further noted that the steel plate in this embodiment is a carrier made of other materials with planar characteristics, including but not limited to an iron plate, an aluminum plate, a plastic plate, a wood plate or other composite plates, and the size is not limited.
It should be further noted that the non-contact paint film thickness gauge in this embodiment has other non-contact thickness measuring devices with non-contact characteristics, including, but not limited to, other non-contact thickness measuring devices using photothermal principles, magnetic induction principles, and ultrasonic principles.
It should be further noted that, the solid state microscope in this embodiment is a device having an accurate measurement function, and includes, but is not limited to, a microscope, an electron microscope, a metallographic microscope, and other devices and tools having an accurate measurement function.
In addition, in actual use, the same type of non-contact paint film thickness gauge and test steel plate can be arranged in each production line modeling procedure, and the corresponding relation between the spraying technological parameters represented by the paint density rho, the spraying time t and the spraying height h and the thickness of the coating is realized; and then corresponding spraying is carried out.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The sand mold coating spraying thickness measuring method is characterized by comprising the following steps of:
step 1, placing a measuring plate on a sand mold, then spraying paint on the sand mold, and controlling a spraying track to pass through the measuring plate in the spraying process to ensure that the spraying thickness of the surface of the sand mold is equal to the spraying thickness of the surface of the measuring plate, so as to obtain the measuring plate with specific coating thickness;
step 2 obtaining a series of measuring plates with different coating thicknesses by controlling spraying time according to the method of step 1, and primarily detecting the coating thickness d by using a non-contact paint film thickness gauge 1 ；
Step 3 accurate measurement of the coating thickness d of the measurement plate by the accurate measurement instrument 2 ；
Step 4 coating thickness d 2 Inputting into a non-contact paint film thickness gauge 1 Performing calibration;
step 5, measuring the measuring plate again by using the calibrated non-contact paint film thickness gauge, comparing the measuring plate with a physical microscope test value, judging whether the requirements are met, if so, turning to step 6, and if not, repeating the calibration work of the steps 1-4;
step 6, guiding and adjusting spraying time t by using a calibrated non-contact paint film thickness gauge, spraying a series of coatings with a same batch of sand molds, and determining a proper coating thickness value d on the premise of obtaining the target appearance of the castings according to the sand bonding condition presented by the corresponding casting surfaces min 。
2. The sand mold coating thickness determining method as claimed in claim 1, wherein in step 3, the coating thickness d of the surface of the board is precisely measured using a solid state microscope 2 。
3. The method for determining the spraying thickness of sand mold paint according to claim 2, wherein the measuring plate is vertically placed during measurement, a notch is formed on the surface of the coating, the parting line of the coating and the measuring plate is judged under a solid microscope, and the thickness d of the coating is accurately measured 2 。
4. The sand mold coating thickness determining method as recited in claim 1, wherein the measuring plate is a smooth-surfaced substrate.
5. The method for determining the thickness of sand mold coating according to claim 1, wherein in the step 1, the ethanol in the coating layer is evaporated and dried, and then the measuring plate with the specific coating layer thickness is obtained.
6. The sand mold coating spraying process parameter adjustment method is characterized by comprising the following steps of:
step 1, placing a measuring plate on a sand mold, then spraying paint on the sand mold, and controlling a spraying track to pass through the measuring plate in the spraying process to ensure that the spraying thickness of the surface of the sand mold is equal to the spraying thickness of the surface of the measuring plate; then, standing until ethanol in the coating volatilizes and dries to obtain a measuring plate with specific coating thickness;
step 2 obtaining a series of measuring plates with different coating thicknesses by controlling spraying time according to the method of step 1, and primarily detecting the coating thickness d by using a non-contact paint film thickness gauge 1 ；
Step 3 accurate measurement of the coating thickness d of the measurement plate by the accurate measurement instrument 2 ；
Step 4 coating thickness d 2 Inputting into a non-contact paint film thickness gauge 1 Performing calibration;
step 5, measuring the measuring plate again by using the calibrated non-contact paint film thickness gauge, comparing the measuring plate with a physical microscope test value, judging whether the requirements are met, if so, turning to step 6, and if not, repeating the calibration work of the steps 1-4;
step 6, guiding and adjusting spraying time t by using a calibrated non-contact paint film thickness gauge, spraying a series of coatings with a same batch of sand molds, and determining a proper coating thickness value d on the premise of obtaining the target appearance of the castings according to the sand bonding condition presented by the corresponding casting surfaces min ；
Step 7 according to the coating thickness value d min And adjusting the spraying process parameters until the required coating thickness is obtained.
7. The sand mold coating thickness determining method as claimed in claim 6, wherein in the step 3, the coating thickness d of the surface of the board is precisely measured using a solid state microscope 2 。
8. The method for determining the thickness of sand mold coating according to claim 6, wherein the measuring plate is vertically placed and a notch is formed on the surface of the coating during measurement, the parting line of the coating and the measuring plate is judged under a solid microscope, and the thickness d of the coating is accurately measured 2 。
9. The sand mold coating thickness determining method as recited in claim 6, wherein the measuring plate is a smooth-surfaced substrate.
10. The method for determining the thickness of sand mold coating according to claim 6, wherein in the step 1, the ethanol in the coating layer is evaporated and dried to obtain the measuring plate with a specific coating layer thickness.
CN202211523948.6A 2022-12-01 2022-12-01 Sand mold coating spraying thickness measurement method and process parameter control method Pending CN116124061A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211523948.6A CN116124061A (en) 2022-12-01 2022-12-01 Sand mold coating spraying thickness measurement method and process parameter control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211523948.6A CN116124061A (en) 2022-12-01 2022-12-01 Sand mold coating spraying thickness measurement method and process parameter control method

Publications (1)

Publication Number Publication Date
CN116124061A true CN116124061A (en) 2023-05-16

Family

ID=86293774

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211523948.6A Pending CN116124061A (en) 2022-12-01 2022-12-01 Sand mold coating spraying thickness measurement method and process parameter control method

Country Status (1)

Country Link
CN (1) CN116124061A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118002340A (en) * 2024-04-10 2024-05-10 成都飞机工业（集团）有限责任公司 Method for predicting thickness of complex curved surface spray coating and uniformly controlling thickness of coating

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118002340A (en) * 2024-04-10 2024-05-10 成都飞机工业（集团）有限责任公司 Method for predicting thickness of complex curved surface spray coating and uniformly controlling thickness of coating

Similar Documents

Publication Publication Date Title
CN116124061A (en) Sand mold coating spraying thickness measurement method and process parameter control method
JP5812113B2 (en) Method for estimating solidification completion state of slab in continuous casting, and continuous casting method
CN109284524A (en) A method of creation high-precision increasing material manufacturing finite element model
JP2004534908A5 (en)
WO2003005430A3 (en) Method and apparatus for controlling a plating process
CN113828798A (en) Local heat treatment method and system for electric arc additive manufacturing structural part
CN110519925B (en) Method for rapidly calculating thickness of copper in PCB (printed circuit board) via hole
CN115229149B (en) Continuous casting billet shell/liquid core thickness and solidification end point determining method based on crystallizer liquid level fluctuation in pressing process
CN111239183B (en) Device and method for measuring dynamic thermal conductivity coefficient of silver nanoparticle conductive ink in sintering process
CN108317952A (en) Forging shaft on-line quick detection method before precision
CN211626334U (en) Portable reinforcing bar protective layer thickness calibrating device
JP2856267B2 (en) Measurement method of coating film thickness
CN103207204B (en) Standard sample used for detecting specific thermal deflection property and its preparation method
CN116255947B (en) Method and device for measuring thickness of cylinder hole wall
JPH05223761A (en) Hardening inspection method
CN114112718B (en) Method and device for detecting normal-temperature strength of lost foam coating
CN113218266B (en) Calibrating and detecting tool for inside micrometer and forming method and detecting method thereof
CN205826151U (en) The temperature field measurement device that a kind of SLS technology is used
JPH10293069A (en) Judgment method for residual stress in sprayed coating
CN117288103B (en) Method and system for measuring film thickness of coating
KITAOKA et al. Experimental evaluation of the stress intensity factor using the phenomena of grain growth and slip-initiation in copper foil
CN106002603A (en) Copper grinding method and system
WO2023184293A1 (en) Online product defect detection method in injection molding process
CN115106496A (en) Non-contact detection device and method for size of inner cavity of crystallizer and application
BR112021015867A2 (en) CONTROL METHOD AND DEVICE FOR CONTINUOUS CASTING MACHINE AND MANUFACTURING METHOD FOR CAST PART

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination