Shanghai Daoqin Plastics Co., Ltd.

        1, commonly used plastics engineering material and shrinkage rate?

        ABS:0.5%(ultra- 不碎胶) pc:0.5%(anti elastic 玻璃胶) PMMa:0.5%: (has machine 玻璃) pe:2% polyethylene (PE) PS:0.5%(poly dilute) pp:2%(百折 soft 胶) PA: 2%(nylon)PVC: 2%(polyvinyl chloride (PVC))POM:2%(塞钢) ABS+PC: 0.4% PC+ABS: 0.5%

         engineering material: ABS PC PE POM PMMA PP PPO PS PET

        2, mold separation is that large system?

        浇注→ ejection → cooling → molding →排 gas

        3, in mold design process in attention/notes which issues?

        ① 壁 thick amount uniform 一致, demolding degree need large.

        ② 渡部 separation 应逐步, slip 渡, anti has 尖角.

        ③ gate. runner can can wide large, coarse short, according to shrinkage cold process gate 位置, necessary add cold material 井.

        ④ mold surface light 洁, coarse degree low (most good low 0.8)

        ⑤ 排 gas 孔, must 足够, and 时排出空 gas and melt in gas 体.

        ⑥ remove PET outer, thick need thin, generally small 于1mm.

        4, plastics parts 常出现 瘕疵?

         short shot →披风→ bubbles → sink marks →熔接痕→ black spots → strip/profile 纹→翘起→ delamination →脱皮

        5, commonly used plastics mold 钢材?

        45# S50c 718 738 718H

        738H P20 2316 8407 H13

        NAK80 NAK55 S136 S136H SKD61

        6, high 镜面抛 light use types 纲材?

         commonly used high hard hot 处理钢材, 例如: SKD61, 8407, S136

        7, has that structure?

        面 sheet/plate →A sheet/plate →B sheet/plate →方 iron →导柱→顶针 sheet/plate →顶针 solid sheet/plate →底 sheet/plate

        8, separation type basic has which?

        平直→倾斜→曲面→垂直→弧面

        9, in UG in how to versus 互隐藏?

        ctrL+B or ctrL+shift+B

        10, mold processing machine equipment has which?

         electrical 脑锣→车床→铣床→ abrasion 床→钻床

        11, what is 2D, what is 3D?

        D is: Dimension(线 degree, 维) 字头, 2D is 指二维平面, 3D is 指三维空间, in mold separation, 2D usually is 指平面图即CAD图, 3D usually 指立体图.

        12, pro/e 默认精 degree is how much? UG默认精 degree is how much?

        pro/e默认精 degree is: 0.0012MM, UG默认精 degree is: 0.0254MM.

        13, full 球模架 production strong/high enterprise?

         Germany: HASCO Japan: FUTABA(di 叶) USA: DME China: LKM(龙记)

        14, CAD 默认字 high is how much?

        CAD默认字 high is is: 2.5MM.

        15, what is 碰穿, what is 插穿?

         and PL面平行 公母模贴 combined 面叫碰穿面, and PL面不平行 公母模贴 combined 面叫插面.

        16, strip/profile and filament 关系

         strip/profile and filament is long degree mono 位, strip/profile is Taiwan use 语, 1 strip/profile =0.01MM, filament is use 语, 1 filament =0.01MM, therefore 1 strip/profile =1 filament.

        17, is what?

         outer housing/shell type parts 边缘常开 has 缺口, used for 安装各 type parts, 此处形 formed separation type separation is 枕位.

        18, 火山口 is what?

        BOOS柱根部 decrease separation in mold upper type type 于火山爆发 rear 形状叫做 mold 火山口.

        19, is what?

        呵指 is 模仁, 香港习惯 use 语.

        20, what is 老虎口?

        老虎口 also is: tube/pipe 位, use 限位 部 separation.

        21, what 叫排位?

         mold upper product 布局称 is 排位.

        22, what 叫胶位?

         mold upper product 空穴称 is: 胶位.

        23, what 叫骨位?

         product upper is: 骨位

        24, what 叫柱位?

         product upper BOSS is: 柱位.

        25, what 叫虚位?

         mold upper 间隙称 is: 虚位.

        26, what 叫扣位?

         product upper use is: 扣位.

        27, what 叫火花纹?

         electrical processing rear lower is 火花纹.

        28, what PL面?

        PL面 also 称: separation type 面, 啪拉面, is mold in combined front and rear versus 接触 部 separation.

        29, electrical is what?

        数控铣床 and processing in 心

        30, copper is what?

         electrical usually using/adopting easy processing copper material electrical electrical 极, is copper 工, electrical 极, copper generally separation is: coarse 工, coarse 幼工, 幼工, also 称精工.

        31, 火花位 usually is how much?

        放 electrical process in, copper and material between electrical 间隙称 is 火花位, coarse 工火花 generally in 10 to 50 strip/profile, 幼工火花位 generally in 5 to 15 strip/profile.

        32, material is what?

         plastics product thick, 也称肉 thick.

        33, 原身留 is what?

        原身留 is versus for and parts 而言, 原身留 is 指一整 block is processing material, processing 时候一起 processing 出.

        34, 熔接痕 is what?

        两股 plastics versus 遇 形 formed is 熔接痕.

        35, is what?

         plastics from 进胶口进入 type rear formed bending 折叠似蛇 flow marks is 喷流.

        36, LKM指 is what?

        LKM is 指龙记模胚, commonly used has: LKM, 富 巴, 明利, ring 胜, 昌辉, 德胜.

        37, DME is what, HASCO is what?

        DME and LKM都 is standards parts standards, DME is made, HASCO is made.

        38, what 叫倒扣?

         product in front rear method demolding separation formed is 倒扣.

        39, what anti 呆?

         anti is types use 语, is anti 止出现一 types non simple 错误, anti 止发呆!例如: parts in 天 侧都做 has same large small 挂台, assembly very can can 会 天 侧装反, is in parts 一侧做挂台, this 时, if 天 侧反 装就装不进, 想装错都不 can can, this type of anti 止出现发呆而 generate 错误 动 as formed is 发呆.

        40, what machine?

        啤 machine is 方习惯 use 语, is 我们常说 injection molding machine, molding machine.

        41, what 叫止口?

        止口就 is 夹口美术线, also 称遮丑线.

        42, what 叫飞模?

        飞模就 is or 者标模.

        43, what light 刀?

        CNC精 processing as is light 刀, is in coarse upper processing to 位.

        44, what frame?

         in upper processing 放模仁 位置 动 as is frame.

        45, what 叫晒字?

        晒字就 is in again that add processing 字体.

        46, what 叫反呵?

         will positive 常情况 lower front rear material mold opening methods is 反呵.

        47, what 叫浮呵?

         local has 倒扣 方 using/adopting small parts elastic 出 出模 methods is 浮呵.

        48, what front 模?

         mold opening 时, product in front is front 模.

        49, what 叫顶白?

         ejection 时 需模 force relatively large, 顶针不够 force, make product local by bad, from product positive 面看, has obvious white is 顶白, also high water 口.

        50, what 叫烘印?

        潜 water water in made appearance upper lower 痕迹称 is 烘印.

        51, what 叫码仔?

        码仔 belongs to 装夹工 tool, types 三角形斜面开口位槽 垫 block.

        52, what 叫 切?

         is amount 切削, is processing parts 时 不 need processing separation processing, is good.

        53, is what?

         front elastic mold opening inner 行位.

        54, is what?

        攻 filament.攻螺纹称 is 牙嗒, 广东习惯 use 语.

        55, 何时需做 di color mold?

        当一 product 包含两 types different or 同一材质 different color 时, design di color mold molding.

        56, factory mold design process/workflow is what?

        客户 provide product 图→ analysis product →确认 plastics product types →确认 mold 材质→转 engineering 图→乘 sink marks as versus →完善组立图→订模胚→订模仁 material →拔模→3D separation 模→确定 runner / gate methods →参照排位图进行 structure design →拆镶 parts → more positive 3D→ engineering 出图《包括: 模仁/镶 parts /模胚/ dispersion parts 》→做 BOM table/sheet →校 for 审核

        57, demolding has types methods?

        顺脱 and strong/high 脱

        58, methods has which?

        直接进胶→搭接进胶→侧胶→ ring 行进胶→ thin sheet/slice 进胶→潜伏式→点进胶→牛角式进胶→扇形进胶.

        59, runner has that 形式?

         has runner → semi runner →T形 runner → positive 六角形 runner.

        60, mold design 人员 常备 manual/handbook and 书籍

        钢材书籍, plastics 书籍, mold standards parts 书籍.

        61, elastic function is what?

         outer use 出现时 generate elastic force

        62, mold is what need 拔模?

         anti product demolding by 拉伤.

        63, filament function and combined long degree 确定

         main/primary solid function, combined long degree generally filament 直径 1.5 to 2倍.

        64, slip block degree generally more large, 斜导柱 斜 degree generally more large?

         slip block degree generally 取: 20 degree, 斜导柱 斜 degree generally 取18 degree.

        65, cold material function

         cold material function is: 储存先进入 mold that small separation temperature degree comparison low plastics material.

        66, ring function

        定位 ring function is: ensure mold and injection machine between maintain positive versus for 位置.

        67, combined versus for 位置

        配 combined main/primary separation is type: 间隙配 combined, combined, combined.

        68, parts function is what?

        方便 processing, anti carbon, 利于抛 light, 节省材 material, 帮助排 gas, more 换, shrink small processing machine 台.

        69, hardness indicators has that types?

         hardness table/sheet material resistant hard material pressure its surface can force, commonly used hardness indicators has hardness, hardness and hardness.

        70, can 否拔模? can 否拔模? can replace?

        曲面不 can 拔模, can 拔模, can replace.

        71, 第一角 method and 第三角 method difference?

        ①, will material 体置放第一象限 inner, 以{视点}(观察者)→(material 体)→(投影面)关系而投影视图 画 method, is 第一角 method, 亦称第一象限 method.

        ②, will material 体置放第三象限 inner, 以{视点}(观察者)→(投影面)→(material 体)关系而投影视图 画 method, is 第三角 method, 亦称第三象限 method.

        注:

        第一角画 method and 第三角画 method difference is 视图放置 文章.

        第一角画 method: left 视图放 right 边, right 视图放 left 边, upper 视图放 lower 面, type 推…

        第三角画 method: left 视图放 left 边, right 视图放 right 边, upper 视图放 upper 面, type 推…

        72, water has that types methods?

        运 water commonly used has: 直通式, ring 绕式, water 塔式, 螺旋式.

        73, 三视图 basic is what?

        三视图 basic is: long for positive, high 平齐, wide versus and other.

        74, injection machine separation is that type?

        按 outer separation has;立式, 卧式, 《 this types most commonly used 》按 injection molding amount separation is: ultra- small type injection molding machine, small type injection molding machine, in type injection molding machine, large type injection molding machine, ultra- large type injection molding machine. is injection amount from milli to 几十千克不 and other, clamping force separation is: to 几千吨不 and other.

        75, clamping force and force between has 何关系?

         injection molding machine clamping force need large 于撑模 force, mold inner pressure 撑开.

        76, 公母模 定位 methods has which?

         front rear 模 定位 methods has type: is: sheet/plate 定位, is: 模仁定位.

        77, commonly used plastics combined thick is how much?

        ABS combined thick is: 1.8—3mm,PC combined thick is: 2—3.5mm,POM combined thick is: 1.5—2.5mm, NoryL combined 适 壁 thick is: 2—3.5mm

        78, what 叫溢边 value?

        溢边 value is plastics product is in more large lower 会溢出, (也就 is flash/burrs) 一 数 value,

        ABS value is: 0.04mm,

        pc value is: 0.06mm,

        pA value is: 0.015mm,

        POM combined thick is: 0.04mm,

        PBT+15%GR value is: 0.03mm,

        PBT+30%GR value is: 002mm,

        PMMA value is:0.065mm,

        PVC value is: 0.07mm,

        AS value is: 0.05mm,

        ps value is:0.05mm,

        pp value is:0.03mm,

        PE value is:0.02mm.

        79, standards frame is more large?

         commonly used frame has: A0, A1, A2, A3, A4,

        A0 图 frame dimensions is: 1189mx841m,

        A1 图 frame dimensions is: 841mx594mm,

        A2 图 frame dimensions is: 594mmx420mm,

        A3 图 frame dimensions is: 420mmx297mm,

        A4 图 frame dimensions is: 297mmx210mm

        80, mold large small 规划?

        每 company mold large small standards 都不一样, is Common standards separation lower: 15—30系 type mold is small 模, 30—50系 type mold is in 模, 50 above mold is large 模.

        81, what elastic property deformation? what property deformation?

         material in outer force function lower deformation, outer force rear, material can to deformation front deformation is elastic property deformation, outer force rear, material method to deformation front deformation is property deformation.

        82, commonly used what 材质?

        模胚 commonly used 王牌钢(香港叫 method), 王牌也就 is in 炭钢, 45钢.

        83, CAD绘图工 as type and 布局空间 in has difference?

        模 type is for 图形实体 空间, 布局空间 is for 图纸布局 空间.

        84, water function is what?

        运 water function is: control temperature degree.

        85, mold is what?

         in industrial production in, use various pressure machine and in pressure machine upper specialized tool, through pressure metal or non metal material made 出 需形状 parts or products, this type of specialized tool is mold.

        86, mold classification?

         mold generally can separation is plastics mold and non plastics mold, non plastics mold has: 铸造模, 锻造模, pressure 模, pressure 铸模, plastics mold according to production process and production product different also separation is: injection molding 模, gas 模, pressure shrink molding 模, molding 模, pressure molding 模, hot molding 模, molding 模, according to system type made different can will mold separation is type: large water mold, fine water mold, hot runner mold.

        87, what 叫浇注 system?

         from injection machine to type is plastics flow 通道称 is system, system 包括: runner, separation runner, gate and cold material 井.

        88, what toward engineering?

        逆 toward engineering is high speed 三维激 light machine for already has sample or type 进行准确, high speed 扫描, to its 三维轮廓 data, combined soft parts 进行曲 toward heavy 构, for heavy 构 曲面进行 in degree analysis, evaluation 构造效果, most formed IGES or STL data,据次就 can fast speed molding or CNC数控 processing.