Hand carving until 1954

950-ton billet shear

 

 

 

2,000-ton forging press

 

 

 

 

 

 

Manual copy milling machine

250-kilowatt high frequency induction heater

600-ton cold forging press

 

Hydraulic copy miller

Electric discharge milling

Automatic forging press (for connecting rods [con rods])

300-ton cold extrusion press (for rear shafts)

 

 

Full enclosed die forging

 

 

Precision machining by jig grinder

 

3/4-inch cold former

Small parts sintering (for ball joint balls)

 

 

 

Large sintering (for sprockets)

 

Automatic upsetter (for rear shafts)

Gear shape forging (for spline pieces)

 

 

AMP70 hot former

Large cold former (for drive pinions)

 

 

 

1,200-ton cold forging press (for rear suspension arm ends)

 

 

Automatic forging line (for knuckles)

 

 

Wire-cut die machining

Cross roll line (for counter gears)

 

 

 

Large forging line (for crankshafts)

Roller groove cold forming (for constant velocity joint [CVJ] tulips)

 

 

 

 

 

Die and electrode machining by 3D NC machine

 

 

Powder forging (for con rod)

 

Sintered bonding (for camshafts)

 

Cold and warm complex forming (for CVJ outer races)

 

 

Large hot former line

 

 

 

 

Full enclosed die cold forging (for differential gear teeth)

700Mpa high-strength sintering (for synchronizer hubs)

NC machining of Graphite electrodes

Cold forging (internal spline of differential lock sleeves)

Simultaneous sinter and brazing technology (for planetary carriers)

Cold forging of engine bolts (at Kamigo Plant)

 

 

Stainless sintered parts (for sensor rings)

NC machining of resin die copy model

In-house forging of crankshafts (for Ｓ-series engine)

 

 

Thermostatic room for precision machining enhanced

2D simulation "FESTE" developed

Square forging die FMS line

ＪＺ-series con rod fatigue strength improved

 

 

 

Switch to white lubricant from black lubricant

4,000-ton auto forging press for con rods (at Honsha Plant)

600-ton cold former for steering parts

Powder forged con rod

Straight-flow machining line

High-speed hub bolt maker (at Miyoshi Plant)

3,500-ton auto press (at Kinuura Plant)

Switch from phosphate-type lubricant to single-liquid lubricant

 

 

Additional 2,500-ton press (at Toyota do Brasil [TDB])

 

Automatic transmission (AT) carrier (marking a process change from press forming)

 

 

 

Cold roll forming (for near net-shaping of AT sleeves)

Computer NC powder forming press (for near net-shaping of manual transmission [MT] synchronizer hubs)

 

Shot peening

Premix powder

Modified 4A-G con rod fatigue strength improved

1,200-ton hydraulic press for gear shape forging (for transfer parts at Kinuura Plant)

Mass production of resin impregnated pulley

 

3D simulations "DEFORM" and "SUPERFORGE"

CASE activities by 3D solid "Pro/E" (for crankshaft)

Net shaping (for high-strength yield-point fastening bolt)

Aeration powder filling (for high-precision formed hubs)

 

Net shaping (for crankshaft counterweights)

Hydraulic link motion press (at Miyoshi Plant)

 

 

Steering main shaft hollowing (swaging)

Cold bolt former for long engine bolts (at Kamigo Plant)

1CD-series con rod fatigue strength improved

Net shaping (for PS pinion valve groove)

 

 

Con rod process design reformed (at Honsha Plant)

Forging of CVJ parts at Tianjin Toyota Forging (TTFC )

Net shaping (for PS pinion helical gears)

 

 

"Forging die life estimation system" development commenced

1,000-tom hydraulic link press (for CVT parts at Kinuura Plant)

 

 

Net shaping (for CVJ inner roller groove)

 

 

Partial-diffusion alloy premix powder

Thermostatic room renovated and expanded

Precision equipment (surface grinder, wire-cut EDM, form measurer) operated

 

 

Direct-cut machining of bevel gear forging die

Forging of MT parts at Toyota Motor Manufacturing Poland (TMMP)

 

TMMP operation

 

In-house aluminum forging (for the Zero Crown)

Fixed-volume powder supply technology

Compact 5,000-ton press at TMMP (for crankshafts)

 

Operation of new line at Miyoshi Plant

Precision tool grinder

3D simulation "FORGE" for large forging parts

 

 

Direct-cut machining for single-piece first-gear die

5,000-ton press (for crankshafts) at Honsha Plant

Die wear forecast technology for differential gear (in "forging die life estimation system")

 

No-contact 3D laser measuring machine

Die strike condition measurement and traceability system introduced

2,000-ton press at Honsha Plant (for con rods)

 

 

 

Forging of transmission parts at Toyota Motor Hokkaido (TMH)

 

High-strength small gear for Valvematic (VLC) (at Miyoshi Plant)

High-precision and high-accuracy machines (for knuckle dies)

2,500-ton press introduced, allowing start of forging of large gear with parking gear (at Kinuura Plant)