MOULD BASE.docx

BAB I PENDAHULUAN I.1. Latar Belakang Saat ini, terjadi pertumbuhan yang sangat pesat pada penggunaan produk plastik di industri manufaktur karena sangat serbaguna dan memiliki nilai ekonomis yang tinggi. Dukungan ilmu pengetahuan dan teknologi sangat diperlukan khususnya untuk pemanfaatan dan pengolahan polimer, sehingga dapat dihasilkan produk plastik dengan kuantitas yang cukup tinggi dan kualitas yang baik. Salah satu teknik yang cukup efektif dan banyak dipergunakan untuk pengolahan bahan thermoplastic adalah injection molding. Injection Molding banyak dipilih karena memiliki beberapa keuntungan diantaranya : kapasitas produksi yang tinggi, sisa penggunaan material (useless material) sedikit dan tenaga kerja minimal. Sedangkan kekuranganya, biaya investasi dan perawatan alat yang tinggi , serta perancangan produk harus mempertimbangkan untuk pembuatan disain moldingnya. Pembuatan sebuah mould, tidaklah serumit dulu , karena telah banyak produsen yang menjual sebuah mould base , yang dapat memudahkan operator dalam mencapai efesiensi waktu dan memiliki kemudahan yang sangat menguntungkan.

I.2. Tujuan    

Mengetahui fungsi Mould Base Agar mengetahui standar-standar Mould Base yang ada atau tersedia di pasaran Sarana belajar moulding Pemenuhan tugas mata kuliah (PPK)

1 | Moulding

BAB II PEMBAHASAN II.1. Pengertian Mould Base Mould base digunakan dalam berbagai industri untuk jangka pendek dan aplikasi pencetakan.Mould base diproduksi dengan menggunakan bahan kualitas unggul seperti baja ringan dan baja karbon. Tersedia berbagai cetakan yang tersedia dalam berbagai ukuran, bentuk dan dimensi yang sesuai dengan berbagai jenis die casting dies.

II.2. Standar Mould Base

II.2.1. Standar Mould base dari Ashna Standar. Standar dasar Mould umumnya digunakan dalam prototipe cetakan dan pendek berjalan. Cetakan ini menawarkan fleksibilitas untuk melakukan lebih banyak pekerjaan bernilai tambah, dengan penurunan yang signifikan dalam biaya dasar cetakan. Proses produksi terkonsentrasi pada penyediaan dasar cetakan berkualitas tinggi untuk

plastik. Mould base / Mold Base Material - C - 45 / As Per Customer requirement S.N.

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TYPE 2020 2025 2030 2035 2525 2530 2540 3030 3035 3040 4040 4045 CODE 1 AE 1 AE 1 AE 1 AE 1 AE 1 AE 1 AE 1 AE 1 AE 1 AE 1 AE 1 AE 2 | Moulding

CODE 2 AE 2 AE 2 AE 2 AE 2 AE 2 AE 2 AE 2 AE 2 AE 2 AE 2 AE 2 AE CODE 3 AE 3 AE 3 AE 3 AE 3 AE 3 AE 3 AE 3 AE 3 AE 3 AE 3 AE 3 AE CODE 4 AE 4 AE 4 AE 4 AE 4 AE 4 AE 4 AE 4 AE 4 AE 4 AE 4 AE 4 AE

II.2.2. Standar Mould base dari Futaba Specification/selection 2-plates type

3-plates type

Specification S series

Standard specification

Thickness selection

D/E series

F/G series H series

Dimension A

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Dimension B

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3 | Moulding

Dimension U

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Dimension C

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Mounting plate specification

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Guide specification

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Ejector plate specification

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Support pin specification

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Support pin length

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Puller bolt length Dimension R

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No screw hole for Eyebolt

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No hole for Ejector rod

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Material change

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Thickness selection

Dimension S

Option specification

Plate accuracy of mold base (template, ejector plate and the other plates) * The surface roughness sign in the above figure is arithmetic mean roughness (Ra). Material S50C(up to 25mm thick) S55C(30mm thick or more)

Dimensional allowance of T L - dimension(mm)

Dimensional allowance of T (mm)

Up to 300

+0.1 to +0.2

4 | Moulding

More than 300 and up to 600

+0.15 to +0.25

More than 600 and up to 1150

+0.2 to +0.3

Uniformity of thickness (T) 0.008 per 100mm Flatness of both faces of T Dimensional - L (mm)

Dimensional – T (mm)

Up to 300

More than 300 and up to1150

5 or more and up to 10

0.020

0.040

More than 10 and up to 20

0.015

0.020

More than 20 up to 40

0.010

0.015

0.008

0.010

More than 40 up to 350

Squareness of reference plane 0.008 per 100mm Spacer block * The surface roughness sign in the above figure is arithmetic mean roughness (Ra). Material SS400 or more than equivalent Uniformity of thickness of (T) 0.008 per 100mm Variation of T in a pair of plates 0.02

5 | Moulding

Mold base with three plates structure used for such as pin point gate

Feature

Type

Template size

High rigidity type which extend spacer block width

High rigidity type

1518～2540

Standard type with extensive template sizes

Standard type

1113～5070

Structure/Name

DA type DD type

Ejector pin ejects products. Stripper plate ejects produts. No support plate.

6 | Moulding

DB type DE type

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Stripper plate ejects products. Stripper plate ejects products by mold opening movement

DC type DF type

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Ejector pin ejects products. No support plate. Stripper plate ejects products by mold opening movement. No support plate

EA type

Ejecter pin ejects products. No runner stripper plate. EA type is mold base which eliminate runner stripper plate from DA type. Similarly, each type of EB/EC/ED is DB/DC/DD without runner stripper plate.

7 | Moulding

Mold base with three plates structure which usable space is extended owing to the guide by only support pin

Feature

Type

Template size

High rigidity type to extend spacer block width

High rigidity type

1515～2540

Standard type with extensive template sizes

Standard type

1113～5070

Structure/name

8 | Moulding

FA type FF type

This Type is what ejector pin is stuck out. This type is what stripper plate is stuck out by mold opening movement. FC type GA type

This type is what ejector pin is stuck out without backing plate. This type is what ejector pin is stuck out without runner stripper FE type GC type

This type is what stripper plate is stuck out by mold opening movement. This type is what ejector pin is stuck out without runner stripper plate. 9 | Moulding

Mold base with three plates structure to make pins etc. arranged at the four corners

Feature Standard for long mold with split mold and slide mechanism

Type

Template size 2540～4070

Structure/name

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HA type HC type

This type is what ejector pin is stuck out. This type is what ejector pin is stuck out without backing plate. HB type HD type

This type is what stripper plate is stuck out. This type is what stripper plate is stuck out without backing plate.

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II.2.3. Standar Mould base Hasco HASCO Standard mould base (450*450~450*700)

Quick Details 

Place of Origin: Guangdong, China (Mainland)  Brand Name: JSM  Model Number: 45 seriesThree Plate Type System mold base  Type: FAI~FCI, GAI~GCI,FAH-FCH,GAH-GCH  Size: 450*450~450*700  Shaping Mode: Plastic Injection Mould  Product Material: Steel  Application: Household Product or Vehicle  Raw material:1050,P20,718,718H,738,8407,1.2311,1.1730,S50C  Roughness: Ra 1.6  Thickness tolerance: +/- 0.05mm  Vertical: 0.01/100mm Packaging & Delivery Packaging Details:

(1)Anti-rust oil (2)plastc film (3)white foam (4)pallet or wood box ,according to customer's request.

Delivery Detail:

7 days

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Specifications 1. 2. High 3. Advanced 4. Meet European standard. Product's Details: Standard:

professional quality, machinery

manufacturers. price. equipment.

low and

DME, HASCO, JIS, LKM

Design Software:

UG, CAD

Life Time:

300,000 shots

lead Time:

7 days

Manufacture Experience:

15 years

Certification:

ISO9001

Processing Machinery:

CNC, Grinding, Milling, lathe, polishing

Terms Of Delivery:

By sea or By air

Surface Treatment:

Sparkerusion and polished

place an order:

your own design or choose our design

Terdapat 3 standar, di antaranya: I.

K – Standards  K 3600 /… Small series mould Ejector assembly K3660/3670 Order No.

material No.

K3660/3670/156x156/1.1730 K3660/3670/156x156/1.2312 K3660/3670/190x246/1.1730 K3660/3670/190x246/1.2312 K3660/3670/246x296/1.1730 K3660/3670/246x296/1.2312 K3660/3670/296x396/1.1730 K3660/3670/296x396/1.2312

2048822 2048823 2048824 2048825 2048826 2048827 2048828 2048829

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 K /… round Clamping plate K 15 Order No.

material No.

K 15/156X 22/1.1730 K 15/196X 22/1.1730 K 15/246-3X 27/1.1730 K 15/246X 27/1.1730

11142 11231 114880 11304

 K /… square Clamping plate K 10C Order No.

material No.

K 10C/095X095X 22/1.1730 K 10C/095X095X 22/1.2085 K 10C/095X095X 22/1.2312

2009292 2009293 2009294

 K 2500 /… Split Mould Kit Split mould kit K 2500 Order No.

material No.

K 2500/100x130x 16 K 2500/100x130x 20 K 2500/100x130x 25 K 2500/100x130x 32 K 2500/100x130x 40 K 2500/156x156x 20 K 2500/156x156x 25

589546 589547 589548 589549 589550 589551 589552

K 3500 /… Quick-change Mould System Quick changeable mould K 3500 Order No.

material No.

K 3500/156x196x46x46/1.2085 K 3500/156x196x46x56/1.2085 K 3500/156x196x 46x 56/1.2312 K 3500/156x196x 46x 46/1.2312

2001233 2001234 589071 589070

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K 3500/156x196x56x46/1.2085 K 3500/156x196x56x56/1.2085 K 3500/156x196x 56x 46/1.2312

2001235 2001236 589072

Order No.

material No.

K 5121/075X075X 40/1.2083 K 5121/075X075X 40/1.2085 K 5121/075X075X 40/1.2343 K 5121/075X075X 50/1.2083 K 5121/075X075X 50/1.2085 K 5121/075X075X 50/1.2343 K 5121/075X075X 60/1.2083 K 5121/075X075X 60/1.2085 K 5121/075X075X 60/1.2343

2007853 2006804 2006805 2007855 2006808 2006809 2007857 2006812 2006813

 K 5000 /… Mouldbase 75x75mm Cavity plate K 5121

 KR /… Insert-Modular-System Bloster plate KR 25

II. P – Standards

 F /… precision flat steel Order No.

Order No.

material No.

KR 25 /246X246X 36/1.1730 KR 25 /246X246X 36/1.2085 KR 25 /246X246X 36/1.2312 KR 25 /246X246X 46/1.1730 KR 25 /246X246X 46/1.2085 KR 25 /246X246X 46/1.2312 KR 25 /246X246X 56/1.1730 KR 25 /246X246X 56/1.2085 KR 25 /246X246X 56/1.2312

589902 589903 589904 589905 589906 589907 589908 589909 589910

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Precision ground

K / 500 X 63 X 1000 / 1.1730 K / 500 X 50 X 1000 / 1.1730 K / 500 X 40 X 1000 / 1.1730 K / 500 X 32 X 1000 / 1.1730 K / 500 X 30 X 1000 / 1.1730 K / 500 X 25 X 1000 / 1.1730 K / 500 X 63 X 1000 / 1.1730 K / 500 X 50 X 1000 / 1.1730

flat stell F

 P /… riser ring Plate P

Order No.

material No.

P/ 156X098X 36/1.1730 P/ 156X098X 46/1.1730 P/ 156X098X 56/1.1730 P/ 156X098X 76/1.1730 P/ 196X132X 46/1.1730 P/ 196X132X 56/1.1730 P/ 196X132X 76/1.1730 P/ 196X132X 96/1.1730 P/ 246X168X 56/1.1730

34886 34894 34908 34916 36919 36927 36935 36943 39144

 P /… riser segments Plate P Order No.

material No.

P/ 095X020X 22/1.1730 P/ 095X020X 27/1.1730 P/ 095X020X 36/1.1730 P/ 095X020X 46/1.1730 P/ 116X029X 36/1.1730 P/ 116X029X 46/1.1730 P/ 116X029X 56/1.1730

31674 31682 31690 31704 32913 32921 32930

Order No.

material No.

P/ 095X 6/1.1730 P/ 095X 6/1.2162 P/ 095X 6/1.2312

30996 31003 31011

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 P /… round

P/ 095X 6/1.2767 P/ 095X 9/1.1730 P/ 095X 9/1.2162 P/ 095X 9/1.2312 P/ 095X 9/1.2767 P/ 095X 12/1.1730

Plate P

84662 31038 31046 31054 84670 31070

 P 1100 /… square Machine plate P 1100

Order No. P 1100 / 218X296X17 / 1.2162 P 1100 / 218X296X17 / 1.2312 P 1100 / 218X296X17 / 1.2311 P 1100 / 218X296X66 / 1.2767 P 1100 / 218X296X66 / 1.2312 P 1100 / 218X296X66 / 1.2311 P 1100 / 218X296X76 / 1.2311 P 1100 / 218X296X76 / 1.2162 P 1100 / 218X296X76 / 1.2085 P 1100 / 218X296X76 / 1.1730

 P 8000 /… round steel Order No.

material No.

P 8000/006X100/1.2210 P 8000/006X200/1.2210 P 8000/006X400/1.2210 P 8000/006X500/1.2210 P 8000/006X650/1.2210 P 8000/006X800/1.2210 P 8000/008X100/1.2210 P 8000/008X200/1.2210

2032215 2032216 2032217 2032218 2032219 2032220 2032221 2032222

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Round steel P 8000

P 8000/008X400/1.2210

2032223

 PR /… inserts, square Order No.

material No.

PR/ 40X 50X 20/1.2767 PR/ 40X 50X 20/3.4365 PR/ 40X 50X 25/1.2767 PR/ 40X 50X 25/3.4365 PR/ 40X 50X 32/1.2767 PR/ 40X 50X 32/3.4365 PR/ 40X 50X 40/1.2767 PR/ 40X 50X 40/3.4365 PR/ 40X 70X 20/1.2767

235962 278262 235970 278270 235989 278289 235997 278297 236004

Precision insert PR

III.

Z – Standards  Z1 General mould Components Ball guide bush Z 12 Order No.

material No.

Z 12 /12X 40 Z 12 /12X 56 Z 12 /18X 45 Z 12 /18X 56 Z 12 /18X 71 Z 12 /30X 56 Z 12 /30X 75

194646 194654 194662 194670 194689 194697 194700

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 Z2 General tool component Arrow insert Z 484

Order No.

material No.

Z 484 / 6 Z 484 / 8 Z 484 /12 Z 484 /16 Z 484 /20

232009 232017 232130 232149 232157

 Z3 Ejection Air valve Z 491

Order No.

material No.

Z 491 / 8/ 6 Z 491 /12/ 8 Z 491 /16/10

73199 73210 73237

Order No.

material No.

Z 1696 /22 Z 1696 /25 Z 1696 /32

92908 171913 19909

 Z4 Demoulding Adapter Z 1696

 Z5 Cold runner components 20 | M o u l d i n g

Filter cartridge Z 109

Order No.

material No.

Z 109 /14 X 45/0,7 Z 109 /20 X 45/1 Z 109 /25 X 50/1,2

143987 278181 278190

 Z7 measuring technology Bracket Z 1455

Order No. Z 1455 /20/ 6,5 Z 1455 /20/ 8 Z 1455 /20/ 8,2 Z 1455 /20/10 Z 1455 /24/12,2 Z 1455 /30/18,2

material No. 383724 383732 383740 557943 383759 383767

 Z8 Cooling system Adapter coupling Z 803 Order No.

material No.

Z 803/9x9,4 Z 803/9,4x9 Z 803/13x13,5 Z 803/13,5x13

2038497 2038498 2038499 2038500

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II.2.4. Standar Mould base LKM

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II.2.5. Standarisasi Mould Base Hoppt Mould Base & Mould Base Components  

Standard, semi-complex and finishing mould bases of more than 2,000 combinations of different dimensions Pins and bushes to support every customer's needs

* Steel Grade JIS S50C-Plain Carbon Steel

* Applications: Plastic Injection Moulds

* Composition (%) C 0.50 Si 0.25 Mn 0.70

* Equivalent: - AISI 1050 - DIN C55W5 - WERKSTOFF 1820 - ASSAB 760 - BSS EN 43

* Our quality Mould Bases are precision machined to close tolerance

* Material used is JIS S50C which is highly recommended for Plastic Injection Moulds. To cater, other materials are available upon request

* Our prices are very competitive

* Quick delivery service

* "hoppt®" Mould Bases are made in Singapore

* We also accept special or customized Mould Base orders according to customers' specifications

All enquiries are welcomed

We also sell various components such as: Guide Pin, Guide Bush, Support Pin, Support Pillar, Ejector Guide Pin, Ejector Guide Bush, Return Pin 26 | M o u l d i n g

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II.3. MOLDING PLASTIC INJECTION Injection molding adalah proses manufaktur yang paling umum digunakan untuk pembuatan plastik. Berbagai macam produk yang diproduksi menggunakan injection molding, yang sangat bervariasi dalam, kompleksitas aplikasi mereka ukuran, dan. Proses injection molding memerlukan penggunaan mesin injection molding, bahan baku plastik, dan cetakan. Plastik meleleh di mesin injection molding dan kemudian disuntikkan ke dalam cetakan, di mana mendingin dan membeku ke bagian akhir. Langkah-langkah dalam proses ini dijelaskan secara lebih rinci dalam bagian berikutnya.

Injection molding

Injection molding digunakan untuk menghasilkan berdinding tipis plastik untuk berbagai macam aplikasi, salah satu perumahan paling umum plastik yang. Perumahan plastik adalah kandang berdinding tipis, sering membutuhkan banyak tulang rusuk dan bos pada interior. Ini perumahan digunakan dalam berbagai produk termasuk peralatan rumah tangga, elektronik konsumen, alat-alat listrik, dan dashboard seperti otomotif. Umum

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 Proses Siklus Siklus proses untuk injection molding sangat pendek, biasanya antara 2 detik dan 2 menit, dan terdiri dari empat tahapan sebagai berikut: 1. Clamping - Sebelum injeksi bahan ke dalam cetakan, dua bagian cetakan pertama harus aman ditutup oleh unit klem. Setiap setengah dari cetakan terpasang pada mesin injection molding dan satu setengah diperbolehkan untuk slide. Unit penjepit hidrolik mendorong cetakan bagian bersama-sama dan mengerahkan kekuatan yang cukup untuk menjaga aman cetakan tertutup sementara bahan yang disuntikkan. Waktu yang diperlukan untuk menutup dan klem cetakan tergantung pada mesin - mesin yang lebih besar (orang-orang dengankekuatan menjepit lebih besar) akan membutuhkan lebih banyak waktu. Kali ini dapat diperkirakan dari waktu siklus mesin kering. 2. Injeksi - Bahan baku plastik, biasanya dalam bentuk pelet, dimasukkan ke dalam mesin injection molding, dan maju ke cetakan oleh unit injeksi. Selama proses ini, bahan yang meleleh oleh panas dan tekanan. Plastik cair kemudian disuntikkan ke dalam cetakan sangat cepat dan penumpukan kemasan tekanan dan memegang materi. Jumlah bahan yang disuntikkan disebut sebagai tembakan. Waktu injeksi sulit untuk menghitung secara akurat karena aliran kompleks dan berubah dari plastik cair ke dalam cetakan. Namun, waktu injeksi dapat diperkirakan dengan volume menembak, tekanan injeksi, dan kekuasaan injeksi. 3. Pendinginan - Plastik cair yang ada di dalam cetakan mulai dingin segera karena membuat kontak dengan permukaan cetakan interior. Seperti plastik mendingin, itu akan memperkuat ke dalam bentuk bagian yang diinginkan. Namun, selama pendinginan beberapa bagianpenyusutan dapat terjadi. Kemasan bahan dalam tahap injeksi memungkinkan material tambahan untuk mengalir ke cetakan dan mengurangi jumlah penyusutan terlihat. Cetakan tidak dapat dibuka sampai waktu pendinginan yang diperlukan telah berlalu. Waktu pendinginan dapat diperkirakan dari sifat termodinamika beberapa plastik dan ketebalan dinding maksimum bagian. 4. Ejeksi - Setelah cukup waktu telah berlalu, bagian didinginkan dapat dikeluarkan dari cetakan oleh sistem ejeksi, yang melekat ke bagian belakang cetakan. Ketika cetakan dibuka, mekanisme yang digunakan untuk mendorong bagian dari cetakan. Angkatan harus diterapkan untuk mengeluarkan bagian karena selama pendinginan bagian menyusut dan melekat pada cetakan. Dalam rangka memfasilitasi pengusiran bagian, agen pelepas cetakan dapat disemprotkan ke permukaan rongga cetakan sebelum injeksi material. Waktu yang dibutuhkan untuk membuka cetakan dan mengeluarkan bagian yang dapat diperkirakan dari waktu siklus mesin kering dan harus mencakup waktu untuk bagian yang jatuh bebas dari cetakan. Setelah bagian tersebut dikeluarkan, cetakan bisa menjepit ditutup untuktembakan berikutnya untuk disuntikkan. Setelah siklus injection molding, beberapa pengolahan pasca biasanya diperlukan. Selama pendinginan, bahan dalam saluran cetakan akan memperkuat melekat pada bagian. Ini materi berlebih, bersama dengan flash yang telah terjadi, harus dipangkas dari bagian, biasanya dengan menggunakan pemotong. Untuk beberapa jenis bahan, seperti termoplastik, bahan memo bahwa hasil dari pemangkasan dapat didaur ulang dengan ditempatkan ke dalam penggiling plastik, juga disebut regrind mesin atau granulators, yang regrinds bahan bekas menjadi pelet. Karena beberapa degradasi sifat material, regrind harus dicampur dengan 31 | M o u l d i n g

bahan baku dalam rasio regrind yang tepat untuk digunakan kembali dalam proses injection molding.



Injeksi dibentuk bagian lainnya berdinding tipis produk meliputi berbagai jenis wadah terbuka, seperti ember. Injection molding juga digunakan untuk memproduksi beberapa barang sehari-hari seperti sikat gigi atau maperalatan medis, termasuk katup dan alat suntik, diproduksi menggunakan injection molding juga.

II.3.1 Injection Mould Mitsumi Mold Related Dimensions of Plastic Injection Molding Machines (1) Category : Standard Specifications While a mold for plastic injection molding is used by installing it in an injection molding machine, at present the specifications for installing the mold in the molding machine are different for different molding machines. On the other hand, in JIS, the recommended standard specifications have been stipulated regarding the "Mold related dimensions of plastic injection molding machines" (JIS B 6701-1992). From now on, these standards are considered to be referred to for the general injection molding machines manufactured in Japan. These standards will be discussed for several courses beginning with this course. There is only one point that has to be paid attention to and that is, in the actual design of a mold, as the final information for judgment, giving first priority to the mold installation specifications of the injection molding machine that is scheduled to be used. Since JIS standards are only recommended standards, depending on the individual features of the injection molding machine, it is possible that the contents of the standards have been changed, and hence it is necessary to keep this point in mind.

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＜JIS B 6701-1992＞ "Mold related dimensions of plastic injection molding machines" These specifications stipulate the mold installation dimensions, etc. of plastic injection molding machines with a mold clamping force of 196 to 7845 kN (20 to 800 tf). Explanation: The names of the different parts of the injection molding machine are as shown in the figure below. (These names are merely the names used in the explanation of this standard, and do not indicate the shape or the structure of the different parts.)

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In specific terms, the following items have been stipulated. 1.Spacing of the tie bar 2.Mold mounting bolt 3.Placement of the holes for mold mounting 4.Placement of the hole for the push rod (ejector rod) 5.Shape of the tip of the injection nozzle 6.Shape of the hole for the locate ring

II.3.2. Injection Machine Toshiba Highest basic performance and achievement of high productivity and steady molding

The EC-SX series is a high performance all electric injection molding machine that achieves"Precise aand steady molding"and"High productivity" by great improvement of the basic performance given by newly developed mold clamping unit and injection unit. The machine satisfies customer's various needs with "Five kinds of new technologyh"we propose and molding technology accumulated over many years. Product Introduction 1) New mold clamping unit (Solid Clamp) The device transforms uniform clamping force to the mold with newly designed toggle mechanism and improved rigidity, enabling molding by lower clamping force than conventional device. Moreover the device achieves high speed cycle of the industry-leading class. 1. New toggle mechanism: link line toggle + high rigidity platens - Minimizes mold deflection and achieves uniform clamping force distribution. - Enables molding even by clamping force lower than conventional unit and contributes to improve product quality and mold maintenance reduction.

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2. Dynamic acceleration/deceleration control (Patent pending) - Adopts acceleration/deceleration control to reduce shock at mold opening/closing. - Enables maximum accelerate from an arbitrary position achieving high speed cycle molding. 3. High response ejection - Sharp movement shortens ejection time. 4. Grease-less tie rod - Grease-less tie rods eliminates grease adhesion onto mold or product and maintains clean environment. - Standard rust proofing on hopper inlet prevents mixing of rust or refuse into product 5. SFC (high-speed mold open/close) specification (option) - Shortens dry cycle time further and achieves molding at higher speed cycle. 6. High rigidity frame - Level pads to facilitate installation or relocation is available as option. 7. Built-in hydraulic core puller (option) - The unit is stored inside the machine to be installed at the clamping unit end. 2) New injection unit S-Cube (Simple, Steady, Smooth) Takes over powerful filling performance in high speed and high pressure range and achieves steady molding by smooth movement. 1. Friction-free drive - Suppresses slide resistance to the utmost limit and contributes to precise and steady molding by stable injection characteristic. - Smoothes leading response of injection and improves charging stability. - Reduces variation among molding machines. 2. Control accuracy improvement in injection pressure and back pressure - Absorbs inherent characteristic of pressure detector by linearize correction control, to lose machine difference to the utmost limit. This improves control accuracy of injection pressure and back pressure and achieves one up steady molding. 3. Space-saving injection unit - The structure of the injection unit was optimized to shorten the overall length of the machine. 4. Hold pressure strength improvement - Hold pressure strength was improved to enable heavy load injection molding. 5. 2-stage charge deceleration device: high torque and medium rotation (option) - Handles high viscosity resin 3) High performance controller (INJECTVISOR-V50) Achieves high productivity and precise stability by great improvement in control performance. 1. High performance HMI (Human-Machine Interface) - 15-inch large-scale panel facilitates visualization and improves operability. *Takes over the function of INJECTVISOR-V30. - Enables data browsing or printing on the personal computer by means of USB thumb drive or iPAQET LiTE.

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2. Wide split screen - Displays information necessary for the process on a split screen independent of the setting screen. This minimizes the changing of setting screen. 3. Signal customizing function - Enables arbitrary selection of output signal to peripheral equipment. - Allows each selection of output condition or output form. 4. Remote monitor/managerial system "iPAQET" - Monitors and manages multiple molding machines in real time by using LAN line. Enables centralized management on wide range of information including the monitoring of operational condition of the machine and resin lot in addition to the monitoring of production state or the accumulation analysis function of product quality data. 5. Enables plug-in of peripheral and rationalization equipments and facilitates integrated management including rationalization equipments. 4) Molding control (DST: Dynamic Self Tuning) Automatic correction function is added to molding control. This contributes to reproducibility of high-precision molding and long-term steady molding. 1. DST-Press (clamping force correction) - Does not generate sink mark or short shot (influence of gas vent) as a result of clamping force fluctuation. - Automatic correction made during molding does not influence operation cycle while maintaining steadybr molding. 2. DST-Fill (molding condition correction) - Conducts automatic change of molding conditions and maintains steady molding, against the variation of molded product quality that takes place in a long period of operation as a result of resin lot change, crushed material ratio change or molding environment change. 3. Abundant molding controls - A variety of function are installed, such as VHI (virtual hydraulic injection) circuit, high sensitivity mold protection and ejection torque monitor. 5) Screw variation Screw variation matched to diversified resin types is available. Screw name

Resin

DBG screw (standard)

General purpose

SDB screw

For olefin series resin

DBC screw

Hard vinyl chloride

6) Package specification Satisfies customer's various needs. o

Vented-barrel injection molding machine 37 | M o u l d i n g

o

Vinyl chloride spec/fluorine spec/core back and injection compression/gas injection/light guide plate spec/MuCell spec

II.3.3. Injection Molding Machine (MZ1180F) Basic Info. Model NO.:MZ1180F Type:Injection Blow Molding Export Markets:Global Additional Info. HS Code:8477101090 Production Capacity:30/Month Product Description Injection molding machine 1. Two oil tanks, one tank for cycle the injection part, another tank for cycle the clamping part. In this case, the oil temperature will not increase too much when oil press through the valves. Machine is more stable and longlife. 2. Three safety protector(hydraulic, mechanic, electric) 3. Adopt bearing in the moving platen. The connection between the surface and the bearing is only one touchable line, so it is more quick response than normal block design. 4. Machine clamping force is bigger than the model name. So you don't afraid of reach high peak of this machine 5. Machine has the auto-back-pressure setting in the PLC. Whatever you want to adjust the backpressure for different products and material, just click the keyboard, very convenience. 6. Machine is more stronger design with thick platen. All the material we'r using is endurable. SPECIFICATION TABLE SPECIFICATION INJECTION UNIT screw diameter screw l/d ratio shot volume injection weight

mm L/D cm 3 g

MZ1180F A 110 24 5037 4634

B 120 22 5994 5515

C 130 20 7035 6472

injection pressure

Mpa

181

152

129

injection rate

g/sec

647

770

904

screw speed

rpm

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CALMPING UNIT clamp tonnage

KN

11800

toggle stroke

mm

1250

min mold height

mm

450

max mold height

mm

1200

space between tie brs

mm

1220*1220

ejector tonnage

KN

240

ejector stroke

mm

350

ejector number

pc

21

max pump pressure

Mpa

16

heater power

kw

60

motor power

kw

45+45

oil box volume

L

2000

machine dimension(L*W*H)

M

12.3*2.6*307

machine weight

T

60

OTHERS

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BAB III KESIMPULAN Dipasaran banyak sekali macam-macam jenis dan harga dari berbagai produsen mouldbase,kita dapat membeli atau menyesuaikan harga dan tujuan yang kita inginkan dengan tersedianya bnyak variasi di pasaran. Mould base digunakan dalam berbagai industri untuk jangka pendek dan aplikasi pencetakan.Mould base diproduksi dengan menggunakan bahan kualitas unggul seperti baja ringan dan baja karbon. Tersedia berbagai cetakan yang tersedia dalam berbagai ukuran, bentuk dan dimensi yang sesuai dengan berbagai jenis die casting dies. Dalam membuat sebuah moulding , ada beberapa aspek penting yang harus diperhatikan , diantaranya adalah biaya, wkatu, dan pengefesiensian alat-alat yang ada. Hal, ini akan berpengaruh dalam ketertarikan konsumen dalam memesan hasil produksi kita.

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BAB IV DAFTAR PUSTAKA

http://lathif-cyber.blogspot.com/2011/12/molding-plastic-injection.html http://id.scribd.com/doc/62973859/Injection-Moulding-2011 http://digilib.mercubuana.ac.id/manager/file_artikel_abstrak/Isi_Artikel_853167162630.pdf

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