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Product Description

SK SERIES MECHANICAL VERTICAL-COMPRESSION STRUCTURE

Resilient mould thickness and long displacement stroke

Reasonable oil circuit design, which is more energy-saving,
improves the operating speed and can save 2%-6% raw
materials from 90% products for the customers.

Reinforced molding board, thicker pull rod, high rigidity frame, with more stable operation state and longer service life.

TRADITIONAL STRUCTURE

The machine of this series is equipped with special high-speed storage motor and hydraulic components of world-renowned brands, to ensure a fast, efficient and prolonged operation. By applying high-response oil circuit and hydraulic valve plate with modular design, the machine has an optimized oil circuit layout large in size and free of damp, which can effectively reduce the loss of pressure.

Mechanical Vertical-Compression Structure Applied by Sunbun Injection Molding Machine

1.100% clamping use ratio, 10%-20% higher than that of traditional structures;
2. Less fins on the finished products;
3. 2%-6% raw materials saved from production than that of traditional structures;
4. Effective protection for the mould, molding board, and pull rod;
5. A opening stroke 10%-20% longer than that of traditional structures;
6. Less deformation caused by cooling of the products.

Specification

Injection Part	Item/type	Unit	SK140 / C400
		Screw type		A	B	C
		Screw diameter	mm	36	40	45
		Screw diame-ter ratio	L/D	22	22	20
		Theoretical injection volume	cm³	188	232	294
		Injection volume (PS)	g	171	211	267
		Maximum rate for inject-ion      to air	cm³/s	106	131	166
		Injection pressure	MPa	210	171	135
		Injection stroke	mm	185
		Maximum injection speed	mm/s	105
		Maximal Rotational Speed of Screw	r/min	210
Clamping Part	Clamp Tonnage	KN	1400
		Toggle stroke	mm	430
		Distance between tie bars	mmxmm	465x418
		Maximum mould height	mm	460
		Minimum mould height	mm	180
		Ejection stroke	mm	130
		Ejector force forward	KN	45
		Ejector force backard	KN	30
		Amount of die thimble	Pcs	1+4
Others	System pressure	Mpa	17.5
		Motor power	KW	14
		Heater power	KW	8.2/8.55
		Quantity of temperature-control zones		1+4
		Bucket capacity	KG	25
		Oil tank capacity	L	185
		Boundary dimension(L×W×H)	m	5x1.4x1.8
		Machine weight	Ton	4.3

INJECTION SYSTEM

CLAMPING SYSTEM

HYDRAULIC SYSTEM

ELECTRONIC CONTROL SYSTEM

Application

Auto parts

Sanitation products

Medical field

Black and white household appliance

Toy industry

Home appliances

Powder box

Lipstick

Shoes material products

Packing & Delivery

Company Profile

Zhejiang Sunbun Intelligent Equipment Co., Ltd （Sunbun Machine）is the branch of Sunbun Group. Which Founded in 1993. Through nearly 30 years development Sunbun Group now have Wenzhou, Hangzhou, Shanghai , Xuzhou ,Quzhou 7 Production Base.

Group specialized in scientific research , design and production of hydraulic components , Valve ,Systems and actuators of
construction machinery. As national level high-tech enterprise. Sunbun group have participated in R&D and implementation of “China Torch Program” and “Spark Program”

Sunbun Machine established in 2000 mainly engages in R&D manufacture and sales of automation intelligent equipment and plastic injection molding machine etc. Through the unceasing innovation and development of more than 30 researchers and technicians Sunbun succeeded in launching various injection molding machines and some special use machine (e.g. Medical machine , Sole Making Machine, Tie making machine , Pen Making machine )

FAQ

Q1：What is your machine warrenty ?

A1： For the whole machine we provide 12 month , For the Pull Rod. We provie 24 month For the Mold Platen we provide 36 month Q2: Are you provide auxiliary machine for the whole project ? A2: Yes We provide many brand auxiliary machine also provide turnkey solustation. Q3: How about the quality control in your factory? A3: We have full set testing control files. Every part testing have full record . Before shipment small machine need shot over 7000 times. and big machine shot for 5000 times. Q4: What is your lead time ? A4: If we have stock we can deliver in 3 days. For normal production we need around 30-60 Days depends on machine tonnage. Q5 : Mold trial will be available in your factory ? A5： Yes, Customer can send the mold to our factory and test. If clients buy mold together, we will testing and send sample to clients for final confirmation then shipment. Q6 . Do you provide any spare parts with machine? A6: Yes, We will provide one set standard spare parts to customer including heater ,filter, noozle ,tool box etc. Q7: What about your after sales service A7: we have many experience technical engineers for oversea service, they would help you install machine and provide basic training.

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