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Showing posts from December, 2022

What is suck back in injection molding

 Good morning dosto Suck back , Naam se hi lag rha hai ki koi cheez suck ho rhi hai yani kheechi ja rhi hai . Suck back ka matlab hua peeche ki taraf kheechna  .  Actually jab plastic melt material mold me inject ho jata hai aur injection ke baad holding  complete ho jati hai tab part cooling zone me jata hai aur isi waqt refilling bhi sath sath hoti rhti hai refilling poori hone k baad screw straight direction me back hota hai utne mm jitna set kiya jata hai. Alag alag material k liye alag alag value me set krte hai suck back  Suck back dene se drooling ki problem ko solve kiya jata hai aur sath hi sath   silver bhi troubleshoot hota hai .suck back dene se material me threading generate nhi hoti hai nozzle se  

What is transfer position in injection molding

  Friends, good morning Aaj hum switch over position ki detail me baat karenge ki  ye kya hai aur kaise kaam karta hai Dekhiye jab plastic melt material mold me inject ho jata hai to hum poori tarah se sure hone ke liye ki wo wapas barrel me na chala jaye aur jo impreesion hai mold me usme achche se bhar jae    uske liye hum material ko injection zone se holding zone me bhejte hai. Holding zone me applied pressure kam rhta hai ek time rahta hai aur speed hoti hai jisme material fill hota hai behtreen tarike se. Material ko hold karne se bahut sare defect control ho jate hai bas zaroorat hai defect ko solve karne ki Ab transfer position jo hai wo ek aisi position hai jis par material aate hi injection zone se holding zone me chala jata hai Agar kabhi flash ki problem aaye to hum ye position increase kar dete hai aur agar short shot aa rha ho to ye position decrease kar dete hai . #transferposition #whatis injection molding #switchoverposition #cipet #plastic

Cycle time in injection molding process

Hii.... Friends Aaj. Ki post me main aapse cycle time ke bare me breifly discuss karna chahta hoo  par isse pahle agar post me likhte waqt koi spelling mistake ho to uske liye  Sorry dost main sudhar jaroor karunga Molded part ko banaane me bahut sare process hote hai jinko complete hone me kuch time lagtaa hai yahi sara time ek cycle create karta hai jisse cycle time banta hai jaise sabse pahle mold band hota hai  Fir injection unit forward hoti hai uske baad injection hota hai jisme plastic melt material fill hota hai mold me uske baad   material holding zone me jata hai aur waha kuch waqt k liye material hold hota hai jisse part poori tarah impression me bhar jaye bina koi defect  aaye  Uske baad part cooling zone me aata hai cool hone k liye yaha par cooling time apply hota hai Cool hone k sath sath refilling bhi hoti hai  agle shot ko mold me inject karne ke liye  Fir suck back hota hai cool hone ke baad  mold open hota hai  ji...

Injection molding defect 10~ weld line

  Plastic melt material nozzle se inject hokar feed system se hota hua mold me aata hai .aur flow karta hai  tabhi us flow ke raste me koi obstruction aa jata hai jisss melt flow 2 route me divide ho  jata hai . Ye obstruction gussets  ,boss,ribs,ya insert ki wajah se aa jate hai kuch der baad ye dono melt front aapas me fir se mil jate hai par ab ek patli si line ban jati hi dono flow ke beech me jo ki weld line kahlati hai . Ise troble shoot karna bahut zaroori hota hai kyuki ye part ki quality ko kam karti hai Hum ise  apne experience aur part ki design aur raw material ke hisaab se control karte hai Sabse pahle hum temperature chek karte hai barrel ka aur use increase kar dete hai. Nozzle ka temperature increase karte hai Screw rpm increase karte hai  jisse material ka flow sahi se ho jae  Back pressure ko increse krne se flow badhiya ho jata hai  Holding zone me time ,speed aur pressure ko part ke hisaab se increase karna chaiye Ya fir transf...

Injection molding defect 9~flow mark

 ☺☺☺☺☺☺👋👋👋👋👋👏 Good evening doston aaj ki post Mein Ham flow mark ke bare mein baat karne Ja Rahe Hain Jo ki injection molding mein bahut jyada aata hai part mein Flomark Ek Ek Nishan hota hai material ka flow jisse Pata Chalta Hai product mein aur ismein Jo reason hai vah kya hai aur Kyon Aata Hai Uske bare mein baat karenge To Agar floor mark a raha hai part Mein To aap injection pressure ko badhaie increase Kariye injection ki speed ko kam kar dijiye Taki Jo flow ki speed Hai vah kam ho jaaye aur aaram se Kuchh slowly slowly material part Mein fail ho jaaye barrel ke temperature ko Badha dijiye Taki uski viscosity kam ho jaaye aur uski fluidity jo hai vah badh Jaaye mold ka temperature ko increase kar dena chahie Agar floor mark gate ke pass cold material ki vajah se a raha hai yah company material ki help se a raha hai packing ke time to aise condition Mein Milt ke temperature ko Lo karna chahie mold temperature ko Lo karna chahie injection speed Lo Karni chahie injection ...

Injection molding defect 8 ~silver mark

 ☺👋👏 Good evening doston baat karte hain silver streaks ke bare mein Chandi Jaise Nishan part mein agar Aane Lage party ki sarface per Jo silver ka Marg hota hai na to vaise hi Mark Agar Aane Lage part Mein To Is Tarah Ke defect jo hai vah silver kahlate Hain ab yah Aata Kyon Hai Chaliye iska matlab hai kyon iska matlab hai ki material theek se garm nahin hua hai jo raw material Ham use karne kar rahe hain process mein part banane ke liye vah Puri tarike se jo Puri tarike se jo preheating temperature preheating time decide Kiya Gaya Hai particular material ke liye vah Nahin provide Kiya gaya hai jisse ki material Mein moisture Rah gaya hai to Oven Mein alag alag material ka printing temperature mention rahata Hai jaise ki abs ko 82 degree Celsius per 2 ghante ke liye garm karna chahie to iska solution Hai material ko free decided printing time and preheating temperature per predrive kar diya Jaaye Agla reason Hai silver mark aane ka barrel ka temperature aur nosal ka temperature ...

Split Mold

 ☺☺☺👋👋 hello doston kaise hain aap log to aaj ke is blog Mein Ham baat karenge split mold ke bare mein Humne types off mold ke bare mein bhi baat kiya tha to split mold ke bare mein jaise ki Humne bataya tha ki yah external undercut ya group ko aasani se eject karne ke liye split mold ka use karte hain for example Agar squire Bable ya Bobin Le Le Ya hospipe Ki Baat karen to vahan Ham split mold hi use karte hain Kyunki Inki Jo designing Hoti Hai vah Kafi Complex hoti hai agar split ko activate karne ke bare mein dekha Jaaye to usko Ham chhah Prakar se speed ko activate Karte Hain Jo Ki Hai finger camp activation cam track activation spring activation dog leg camp activation angle activation hydraulic activation hai jismein pahle Ham finger camp ya pin ko activate Kaise karenge yah Ham discuss Karte Hain to ismein finger pin split ke andar Hoti Hai yani split ke andar hold hota hai hole hota hai hole Jaise hi mold open hota hai to split Bahar ki Disha Mein move karne Lagti Hai jis...

What is hopper and its function

👋👋👋  aaj ki post Mein Ham Hopper ke bare mein discuss Karenge Aur hoper Ka function Kya Hota Hai Iski location kya hoti hai kya size hote hain kaun si company ke Aate Hain Uske bare mein discuss Karne Wale yah barrel ke feed old ke upar rahata Hai offer Mein material ke Palat feel kiye Jaate Hain vahan per अलग-अलग size mein aata hai depend karta hai ki machine Kitni size Ki Hai Kitne tan ki hai Chhoti machine Chhote Ho per lag Jaate Hain aur Badi machine Mein Bade hokar lag Jaate Hain vahan per Bhi Do Tarah Ke Hote Hain ek normal Ho per driver normal hoper mein aapko hot aapko hot Karke raw material ko FIR hoper Mein dalna padta hai jabki Hopper driver mein aap cold raw material ko hi offer Mein Dal dijiye Jo dryer wala part Hoga vah raw material ko party cooler Temperature per hit kar dega aur use Tarah Se FIR material ko process ke liye useful kar sakte hain to offer Mein material ke plate hote hain material feed throat se hota hua Barren Mein Pravesh karta hai theek hai vahan...

What is tranfer position in injection molding

👋 hello doston kaise ho aap sab main aapka dost easy plast aapke liye Aaj Fir Laya hun injection molding ka ek bahut hi Jabardast aur important topic Jiska Naam Hai transfer position Jiske Naam Se Hi Kai bar log Soch Mein Pad Jaate Hain Ki Aakhir yah transfer position hai kya Bhala to doston transfer position Ek position Hoti Hai Jisko Ham do aur hi naam se Jante Hain VP position bhi bolate Hain isko aur कहीं-कहीं per Kuchh aur position bhi bolate Hain Asal Mein doston Hota kya hai Jab plastic melt material Ham inject kara Rahe Hote Hain barrel se mold Mein To balt ko Singh ke kisi bhi tarike ki defect se bachane ke liye part ko inject karane ke bad Kuchh der tak material ko ek Thode Se pressure mein hold karna padta hai Taki Jo impression Hai vah Puri tarike se Bhar Jaaye aur material revert Na Ho Piche ki or Wapas Na Jaaye nojal Mein To uske liye Ham Ek holding pressure Dete Hain holding speed Dete Hain aur holding time Dete Hain To inject karane ke Waqt material ko Ham Kuchh positi...

Injection molding Defect 7 ~shrinkage

  👋👋 good morning doston kaise hain aap log ummid hai aap log acche Honge injection molding mein ham log aage badhate hain aur aaj Jaisa ki aapko pata hai ki defective ki series padhte Hue Chale a Rahe Hain To usmein Ham injection molding ke defect shringage ke bare mein padhenge Aaj how Tu remove syncase defect ine injection moulding ka matlab Hindi mein hota hai sikud Jana sikudna Koi chij sikud gai hai koi tarike se Thandi Nahin Ho paati Hai tab vah sikud Jaati Hai shring Ho Jaati Hai To usko kya chahie usko chahie time kaun sa time chahie usko chahie Thanda hone ka time koi chij hited hai per vah theek se uske andar Jo heat hai vah out Nahin Ho Pai Hai uski body se uski sarface se to Vahi kya karti hai usko contract kar deti hai use chij ko fault Ko To Hamen kya karna hai yane ki Sanket defect ko remove karna hai part se yani ki jo heat hai contract ho rahi hai party mein usko Hamen kya karna hai usko exhaust kar dena hai Bahar ko nikal dena hai aur usko kaise karenge usko ha...

Injection molding defect 6~jetting

  Aaj ke is post Mein Ham Baat Karne Wale Hain jetting problem ki actually yah problem flow se related Hai Jab plastic melt material ka flow divert ho jata hai aur ek proper tarike se nahin hota hai material mold ke andar inject tab chatting Jaisi problem Aati Hai yah problem tab Aati Hai Jab plastic surface per floor divert hota hai tab Aati Hai Kyon Aati Hai Kyunki injection speed ya FIR injection pressure bahut hi kam set Kiya gaya hai ya FIR bahut jyada set kar diya Gaya Hai To Jiski vajah se jo material ka flow Hai vah Ek Sahi tarike se nahin Ho Pa raha hai isliye proper injection pressure ko set kar dena chahie Agla point hai isliye mold ko maintain karne ke liye Sahi Temperature per M Ti Si ka upyog kar sakte hain Agar part mein koi problem a rahi hai chatting Jaisi to aap MPC ka use kar sakte hain next Hai gold ka Gate section proper size ka Nahin Hai Jiski vajah se chatting problem a rahi hai problem Aati Hai nosal ka Dayan bahut kam hai ise Sahi Karen saaf karen to nosal ...

Introduction of plastic injection mold

 Aaj ke is blog Mein Ham Baat Karne Wale Hain plastic injection mold ke bare mein mold kya hota hai mold Ka Kya Kam hota hai Kis Tarah Se yah operate hota hai ismein क्या-क्या part hote hain aur injection mold kitne type ke hote hain based on functions and operations Tujhe mold hota hai vah do parts Mein sabse pahle divide Hota Hai Har Mod Mein Ek part aur Hota Hai Ek part cavity hoti hai maximum Karke Jo cavity part hota hai vah fix plate Mein machine ki jo fix plate Hoti Hai usmein Lagai jaati hai aur jo machine ki moving plate Hoti Hai usmein core wala hissa core wala part Lagaya jata hai isliye cavity site ko bolate Hain Ham aur part ko Ham bolate Hain movie hota hai aur sabse Piche Jo mold ki plate hoti hai use Ham back plate bolate Hain Agar core half Mein Dekhen yani ki movie actor Road hoti hai aur guide pin hoti hai To Jo mold hota hai yah mold Steel ya aluminium ke ho sakte hain aur yah depend karta hai ki kaun se product ko Ham manufacture kar rahe hain yah Ek Aisa tool ...

Types of clamping in injection moulding process

 Doston doston aaj ki is blog Mein Ham baat karenge kitne types ki clamping injection molding machine Mein Karte Hain sabse pahle Aati Hai manual clamping Uske bad Aati Hai Tai bar left climping Uske bad Aati Hai hydraulic clamping Uske bad Aati Hai toggle clamping Uske bad Aati Hai hydro mechanical clamping ine Sabhi ke bare mein Ham detail mein baat karenge doston sabse pahle aaiae type wireless clamping ke bare mein baat kar lete hain ki yah type barless clamping hoti kya hai molding machine Mein plating Ek rail system per move Karti Hai jaise ki aap Jante Hain vah rail system per move karti hai ismein Chhoti machine Mein बड़े-बड़े mold Bade aaram se Lagaya Ja sakte hain ismein lubrication ki Jyada avashyakta Bhi Nahin Hoti Hai Kyunki time bar hote hi Nahin Hai To old loading bahut Aasan Hoti Hai Is Tarah Ke machinon mein aur ismein yah hydraulic clamping system per aadharit hai yah hydraulic clamping per aadharit Hota Hai Doston ismein mold mounting area jyada rahata hai yadi y...

Injection molding defect 5~Burn mark

  It is the defect which burns the surface of part. However it does not come inside the surface of plastic material. Sometimes the temperature of barrel is too high ,we should maintain it accordingly material we are using Next is Injection speed and injection pressure is too high So that burn mark appears we have to reduce it. If the raw material using is mixed to one another then burn is sure to appear. If venting is bloked or not visible then burn mark will come so there is need to make a venting If there is any type of overpaking due to increase in holding speed,pressure or time

INJECTION MOLDING DEFECT 4~Part catching

 Good morning doston aaj ki is post Mein Ham part catching ke bare mein baat Karne Wale Hain part catching Kya Hota Hai Jab gold mein material inject karta hai to kai bar part cavity side mein fans jata hai aur core side mein jo ejector Lage hote hain vah part ko exact karne mein impossible Ho Jaate Hain jisse Ki part Bahar Nahin a Pata Hai To iski vajah hai aur pack Hona Kai bar falt aur pack ho jata hai to ismein setting parameter ko kam Karenge yani ki aap kya karenge Agar aur pack ho gaya hai to aap sabse pahle injection pressure ya holding pressure holding speed ko kam Karenge kul milakar holding June mein aapko material kam bhejna hai jisse ki part ka vate Badhana aur cavity side Jo impression Bane hue hain usmein fault na fase isko aap transfer position se bhi kam kar sakte hain kaise karenge transfer position ki value Badha dijiye jisse Ki Party Nahin Hogi holding June Mein mental kam Jaega injection Jon mein jyada Jaega Ham cavity side water ki jagah MDC use kar sakte hain...

INJECTION MOLDING DEFECT 3 ~ Black Spot

 Hello doston Aaj ham log baat karenge injection molding ke dusre defect ke bare mein Jiska Naam Hai black spot Jaisa ki aap log padh Rahe Hain Ki black spot Se Hi Lag Raha Hai Ki Aisa Nishan Jo black color ka ho ismein part mein ab Sawal yah uthata hai ki black spot Hota kya hai aur yah Kyon Aata Hai to Jaisa ki maine aap logon ko bataya ki black spot Palat ki sarface mein Kale Rang ka Nishan ya Kale Rang ka material Jab block Karta Hua aata hai Kuchh vajahon se to use hi black spot bolate Hain To Jab sabse pahle yah dhabbe yah spot spot tabhi Aate Hain Jab material melt barrel Mein degrade Ho Jaaye degrade matlab Ki Unki processing temperature Jyada hota hai to vah jal Jaate Hain varn Ho Jaate Hain material to ya FIR viral mein bahut der tak material uplabdh rahata hai jisse ki metal mein Black a jata hai material over heat Na Ho Kai bar material over heat ho jata hai jisse ki black spot sarface per Aata Hai machine Bahut Der Tak Ruki hone se material degrade ho jata hai to isliy...

INJECTION MOLDING DEFECT 2~short shot

 Doston short moulding ya fir short shot kya hota hai Iske bare Mein  Kuchh baat karte hain.  Jab mold mein plastic melt material ko barrel se tab vah mold ki cavity ke hisab se material ko set Kiya jata hai ki jitne material ko inject Karana hota hai vah part ke shot weight ke hisab se hi inject kara Dete Hain . doston  barrel Mein Jitna material Hota Hai jo ki Jyada Se Jyada bade se bade mold Mein inject karaya Ja sakta hai usko shot capacity bolte Hain aur Jitna material Ham inject Karate Hain usko Ham short size bolate Hain per Jo material Ka weight Hota Hai Jitna Ham inject Karate Hain mold mein kisi cavity ko bharne ke liye Jo impression hota hai Core aur cavity ke bich mein jo ki batata hai ki kitna weight hai impression ka usse yah decide hota hai aur cavity ke bich Jo material Hai vah Kitne shot size ka Hai Kitne gram Ka Hai Isko gram Mein major Karte Hain vaise to short size Jo Hota Hai Chhote mold Mein kam rahata hai aur Bade mold mein jyada rahata hai dep...