CN106313481A - 一种3d打印机专用蜡线制作工艺 - Google Patents

一种3d打印机专用蜡线制作工艺 Download PDF

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CN106313481A
CN106313481A CN201610762030.5A CN201610762030A CN106313481A CN 106313481 A CN106313481 A CN 106313481A CN 201610762030 A CN201610762030 A CN 201610762030A CN 106313481 A CN106313481 A CN 106313481A
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temperature control
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wax
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廖显洪
雷赟
肖葛洋
范子煊
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CHENGDU I-MAKE SCIENCE & TECHNOLOGY Co Ltd
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CHENGDU I-MAKE SCIENCE & TECHNOLOGY Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853—Vinylacetate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C08L91/06—Waxes
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/926—Flow or feed rate
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
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  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)

Abstract

本发明公开了一种3D打印机专用蜡线制作工艺，属于3D打印技术领域，本发明的3D打印机专用蜡线，具有如下物理性能：直径为1.75‑3.0mm、拉伸强度12.3‑20.65MPa、断裂伸长率5.0‑8.5％、固化收缩率2.0‑5.0％、粘度1800‑2500cps/25℃；3D打印机专用蜡线的制作工艺包括：1)溶解混合；2)混炼挤出；本发明得到的蜡线柔软、弹性好、透明性和表面光泽性好、造价低廉、固化活性优良且熔点低；本发明蜡线的配方简单、廉价易得；本发明蜡线的制作工艺操作简单，生产速度快。

Description

一种3D打印机专用蜡线制作工艺
技术领域
本发明涉及展架3D打印技术领域，具体而言，涉及一种3D打印机专用蜡线制作工艺。
背景技术
失蜡法，在我国有悠久的历史，失蜡法是一种精密的铸造方法，它的做法是，先将蜂蜡做成铸件的模型，再用别的耐火材料填充泥芯和敷成外范，加热烘烤后，蜡模全部熔化流失，使整个铸件模型变成空壳，之后再往内浇灌熔液，便铸成器物，用失蜡法铸造的器物可以玲珑剔透，有镂空的效果。3D打印机又称三维打印机，是一种累积制造技术，即快速成形技术的一种机器，它是一种数字模型文件为基础，运用特殊可粘合材料，通过打印一层层的粘合材料来制造三维的物体。基于传统失蜡法工艺，应用3D打印新技术使用专用蜡线材料实现一次成形，但是当前市场上缺乏3D打印机所需要的专用蜡线材料，因此有必要制造出3D打印机的专用蜡线材料，来填补铸造领域的市场空白，为3D打印技术添砖加瓦。
发明内容
本本发明的目的在于提供一种廉价、环保且适合于3D打印机使用的3D打印机专用蜡线的制作工艺以解决上述提到的问题。
为实现本发明目的，采用的技术方案为：一种3D打印机专用蜡线制作工艺，其特征在于，包括以下步骤：
（1）溶解混合：将石蜡、铸造蜡、EVA加入到密炼机中，在85-95℃温度范围内，密炼6-9分钟，之后再将硬脂酸加入到密炼机中，密炼20-30分钟，待原料全部溶解并混合均匀后，将溶解后的原料放入到搅拌机中搅拌1~2min，进行排放气泡；（2）混炼挤出：将步骤（1）中溶解混合好的物料注入到线材螺杆挤出机中混炼均匀并挤出成蜡线，线材螺杆挤出机的共混挤出条件为主机转速控制在 8-10rpm范围内，喂料速度控制在4-6rpm范围内。
进一步地，线材螺杆挤出机的共混挤出条件为： 一区温度控制在86-89℃范围内；二区温度控制在87-90℃范围内；三区温度控制在91-93℃范围内；四区温度控制在93-96℃范围内；五区温度控制在93-96℃范围内；六区温度控制在93-96℃范围内；七区温度控制在93-96℃范围内；八区温度控制在93-96℃范围内；九区温度控制在95-98℃范围内；十区温度控制在95-98℃范围内。
采用本发明具有如下优点：
1. 本发明得到的3D打印机专用蜡线柔软、弹性好、透明性和表面光泽性好、造价低廉，它可以用于3D打印机中进行珠宝首饰等精密物件的打印；
2.本发明3D打印机专用蜡线的配方简单、廉价易得,因为该配方添加了一定量的EVA树脂，所以得到的蜡线具有良好的柔软性和弹性；
3.本发明的3D打印机专用蜡线的制作工艺操作简单，生产速度快，适合大批量的生产3D打印机专用蜡线，本发明得到的3D打印机专用蜡线固化活性优良，且熔点低。
具体实施方式
下面通过具体的实施例子对本发明做进一步的详细描述。
一种3D打印机专用蜡线制作工艺，其特征在于，包括以下步骤：其中实施例1如下：
（1）溶解混合：将石蜡、铸造蜡、EVA加入到密炼机中，在90℃温度的条件下，密炼8分钟，之后再将硬脂酸加入到密炼机中，密炼25分钟，待原料全部溶解并混合均匀后，将溶解后的原料放入到搅拌机中搅拌1.5min，进行排放气泡；（2）混炼挤出：将步骤（1）中溶解混合好的物料注入到线材螺杆挤出机中混炼均匀并挤出成蜡线，线材螺杆挤出机的共混挤出条件为主机转速控制在 9rpm的条件下，喂料速度控制在5rpm的条件下。
线材螺杆挤出机的共混挤出条件为： 一区温度控制在88℃的条件下；二区温度控制在89℃的条件下；三区温度控制在92℃的条件下；四区温度控制在94℃的条件下；五区温度控制在94℃的条件下；六区温度控制在94℃的条件下；七区温度控制在94℃的条件下；八区温度控制在94℃的条件下；九区温度控制在97℃的条件下；十区温度控制在97℃的条件下。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (2)

1.一种3D打印机专用蜡线制作工艺，其特征在于，包括以下步骤：
（1）溶解混合：将石蜡、铸造蜡、EVA加入到密炼机中，在85-95℃温度范围内，密炼6-9分钟，之后再将硬脂酸加入到密炼机中，密炼20-30分钟，待原料全部溶解并混合均匀后，将溶解后的原料放入到搅拌机中搅拌1~2min，进行排放气泡；
（2）混炼挤出：将步骤（1）中溶解混合好的物料注入到线材螺杆挤出机中混炼均匀并挤出成蜡线，线材螺杆挤出机的共混挤出条件为主机转速控制在 8-10rpm范围内，喂料速度控制在4-6rpm范围内。
2.根据权利要求1所述的3D打印机专用蜡线制作工艺，其特征在于，线材螺杆挤出机的共混挤出条件为： 一区温度控制在86-89℃范围内；二区温度控制在87-90℃范围内；三区温度控制在91-93℃范围内；四区温度控制在93-96℃范围内；五区温度控制在93-96℃范围内；六区温度控制在93-96℃范围内；七区温度控制在93-96℃范围内；八区温度控制在93-96℃范围内；九区温度控制在95-98℃范围内；十区温度控制在95-98℃范围内。
CN201610762030.5A 2016-08-30 2016-08-30 一种3d打印机专用蜡线制作工艺 Pending CN106313481A (zh)

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Cited By (1)

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Application publication date: 20170111