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Technology Introduction

Squeeze-casting technology is a process technology in which high mechanical pressure is applied to the liquid (or semi-solid) metal entering the mold cavity to form and solidify under pressure to obtain good quality castings (or ingots) . This technology is very suitable for the efficient forming and production of parts with high strength, high density, high toughness, high air tightness and high wear resistance. It is regarded by industry experts as one of the most advanced forming processes in the field of non-ferrous alloy forming and it can achieve an effective balance between quality, efficiency and cost, and can create considerable value for customers.

01

The first technological feature of squeeze-casting

Vertical injection: its advantage is to reduce entrainment, less gas content in castings, so the casting could be processed by T6 heat treatment. And the high pressure chamber fullness is 100%, so its concentrated aluminum, less oxidized inclusions, less early solidification.

02

The second technological feature of squeeze-casting

Slow mode filling: its advantage is to reduce entrainment and metal turbulence, and the castings contain less gas, so T6 heat treatment can be carried out to strengthen the performance of castings.

03

The third technological feature of squeeze-casting

High pressure to replenish shrinkage cavity: the casting is formed under high pressure, so the grain is refined, the structure is dense (the pressure is between 50-140Mpa)

04

The fourth process characteristic of squeeze-casting

Thick-wall castings forming: it is very suitable for casting production with 2~40mm thick-wall, with excellent quality.

Comprehensive Advantage

  • The 1st advantage

    It is suitable for the production of high-strength, high-toughness safety parts and structural parts.

  • The 2nd advantage

    It is suitable for the production of high air tightness parts (air pressure and oil pressure resistance), such as pump bodies and shells.

  • The 3rd advantage

    Good appearance quality, high dimensional accuracy, can reduce machining or even no machining, reduce margins, and facilitate surface treatment

  • The 4th advantage

    It is easy to realize the full automation and intelligence of the processes of soup, spraying, picking, punch lubrication, proportioning, integrity inspection, cooling, gate removal, burr cleaning, marking, conveying, etc.

Research History

  • Development history of equipment
  • Process and product development process

2008

350t horizontal squeeze-casting machine was developed which filled the national blank in squeeze-casting equipment.

2008

2009

Sanji 800t vertical squeeze-casting machine that fill the national blank were lanched sequentially to the market.

2009

2010

Sanji 2000t middle and large class vertical squeeze-casting machine was developed.

2010

2011

Sanji 550t vertical squeeze-casting machine was developed.

2011

2013

Sanji 550t horizontal squeeze-casting machine was developed.

2013

2015

Sanji 180t horizontal squeeze-casting machine was developed.

2015

2017

Sanji 630t vertical squeeze-casting machine was developed.

2017

2017

Sanji 630t horizontal squeeze-casting machine was developed.

2017

2018

Sanji 350t horizontal and high-speed squeeze-casting machine was developed.

2018

2019

Sanji began to undertake the major national R&D project ”3500t high-efficiency and intelligent squeeze-casting equipment and process guide projects.

2019
2008 2009 2010 2011 2013 2015 2017 2017 2018 2019

2009

In March 2009, a communication card clamp fastening kit was successfully developed using material ZL115-T6, replacing gravity casting.

2009

2009

In November 2009, the airport runway light cover was successfully developed using material A356-T6, achieving high strength and toughness of the parts.

2009

2009

In December 2009, the automotive shock absorber sleeve was successfully developed using ADC12-T6 material, achieving high density, hardness, and wear resistance of the parts.

2009

2010

In February 2010, a 16 inch automotive wheel hub was successfully developed using material A356-T6, which has better performance than low-pressure casting and gravity casting.

2010

2010

In March 2010, a medical armrest was successfully developed with A00 modified material, which has a dense interior and can be anodized.

2010

2010

In May 2010, a motorcycle connecting rod was successfully developed using material ADC12-T6, achieving high strength of the component.

2010

2010

In October 2010, a high-speed rail bracket was successfully developed using material ZL101 A-T6, achieving high strength and toughness of the components.

2010

2011

In June 2011, the front and rear covers of the automotive air conditioning compressor were successfully developed using ADC12-F material, achieving high airtightness and no leakage under a pressure of 28kg.

2011

2011

In December 2011, we successfully developed military explosion-proof panels using aluminum based reinforced ceramic materials, achieving high toughness, low porosity, and good composite performance.

2011

2011

In December 2011, a car brake pump was successfully developed using material ZL111-T6, achieving high strength and high air tightness.

2011

2012

In March 2012, a communication cavity was successfully developed using ZL anti-corrosion formula, achieving good thin-walled forming effect and corrosion resistance.

2012

2012

In March 2012, the construction machinery cylinder block was successfully developed using material 7075-T6, achieving high density and hardness.

2012

2012

In March 2012, the compressor tube joint was successfully developed using material A356.2-T6, achieving high air tightness.

2012

2012

In July 2012, the motorcycle side panel was successfully developed using material 6061-T6, achieving high strength and anodizability.

2012

2013

In February 2013, the automotive chassis bracket (Toyota) was successfully developed using material ADC12-F

2013

2013

In May 2013, the automotive compressor dynamic static disc was successfully developed using ADC12-T6 material, achieving high air tightness.

2013

2013

In December 2013, the side cover of the automobile water tank was successfully developed using ADC12-F material, achieving high air tightness and replacing high vacuum die casting.

2013

2013

In August 2013, a magnesium alloy control arm was successfully developed, made of magnesium alloy AM60-T6, and produced using magnesium alloy fully enclosed automated gas protection.

2013

2014

In May 2014, a medical stent with material A356.2-T5 was successfully developed, achieving high toughness and weldability.

2014

2014

In March 2014, the automotive clutch housing (GM) was successfully developed using ADC12-T6 material, achieving high density, high dimensional accuracy, and good dynamic balance.

2014

2014

In October 2014, the construction machinery gearbox and cover were successfully developed using A357-T6 material, replacing cast iron parts to achieve lightweight, shock absorption, and noise reduction effects,

2014

2014

In October 2014, the runway light cover was successfully developed using 6061 material, achieving high toughness and anodizability.

2014

2014

In December 2014, we successfully developed a suspension clamp for power fittings, made of ZL104A-T6 material, with a breaking force of 35T, replacing gravity casting.

2014

2014

In August 2014, engine cylinder liners were successfully developed using R14 material, achieving high strength and wear resistance.

2014

2015

In March 2015, the automotive front subframe (FAW) was successfully developed using material A356.2-T6, achieving high strength and toughness.

2015

2015

In February 2015, the automotive control arm (FORD) was successfully developed using material A356.2-T6, achieving high strength and toughness.

2015

2016

In August 2016, a four piece set of new energy motor casing was successfully developed, made of ADC12 material, achieving airtightness without leakage under a pressure of 28KG.

2016

2016

In March 2016, the Automotive Control Arm (FAW) was successfully developed using material A356.2-T6, achieving high strength and toughness.

2016

2016

In March 2016, the automotive steering knuckle (FAW) was successfully developed using material A356.2-T6, achieving high strength and toughness of the parts.

2016

2016

In December 2016, the automotive shock absorber ring was successfully developed using material A380-F, achieving high strength and wear resistance.

2016

2016

In August 2016, a military component was successfully developed using 7075 modified material, with performance reaching: tensile strength of 468MPa, yield strength of 366MPa, and elongation of 13.5%.

2016

2017

In April 2017, we successfully developed the Automotive Shock Absorber Support (TESLA) using material A356.2-T6, achieving high strength and toughness

2017

2017

In May 2017, the automotive drive end cap was successfully developed using material A356.2-T6, replacing cast iron parts and achieving a weight reduction effect of 70%.

2017

2017

In June 2017, a medical seat bracket was successfully developed using AISi9MgMn-T5 material, achieving high strength and toughness of the components.

2017

2017

In August 2017, a medical seat bracket was successfully developed using AlSi9MgMn-T5 material, achieving high strength and toughness of the components.

2017

2017

In September 2017, we successfully developed an agricultural machinery small box made of ADC12-T5 material, achieving high strength and high airtightness of the parts.

2017

2017

In October 2017, a friction disc for construction machinery was successfully developed using material A357-T6, achieving high strength and toughness.

2017

2018

In February 2018, the automotive pump body was successfully developed using material AC4B-T6, achieving high strength and high airtightness, replacing gravity casting and ultra-low speed die casting.

2018

2018

In August 2018, a car shock absorber bracket was successfully developed using ADC12-T material, achieving high strength effect.

2018

2019

In April 2019, we successfully developed a spacer frame for power fittings, made of ZL104A-T6 material, achieving high strength and toughness.

2019

2019

In June 2019, the motor rotor was successfully developed using A00-F (composite silicon steel sheet) material, achieving high density.

2019
2009 2009 2009 2010 2010 2010 2010 2011 2011 2011 2012 2012 2012 2012 2013 2013 2013 2013 2014 2014 2014 2014 2014 2014 2015 2015 2016 2016 2016 2016 2016 2017 2017 2017 2017 2017 2017 2018 2018 2019 2019

Pilot Platform for Squeeze Casting

Sanji has created the largest squeeze casting pilot test platform in China, which is equipped with complete testing and testing equipment to meet the development of high-performance castings of various specifications.

  • 1.

    Help customers in process development and trial production of various castings.

  • 2.

    Help customers to finish pre-delivery samples and small batch production.

  • 3.

    Solve the problems of customers' early market development, technology development, trial production, process verification, customer review and batch delivery.