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Our Manufacturing Plants

Higashi Matsuyama Plant

ISO 14001 and ISO 9001 Certified Plant

Serving the Saitama, Chiba, Ibaraki and Tochigi prefectural areas as well as the Tohoku and Hokuriku regions, the Higashi Matsuyama Plant provides heat treatment and processing for a range of needs, from mass production to high-mix low-volume production.
Also equipped with high frequency facilities, the Higashi Matsuyama Plant stands ready with to meet the needs of its customers under a production structure as an integrated heat treatment provider.

Available Services

  • Carburizing quenching and tempering processing
  • Nitrocarburizing quenching and tempering processing
  • Bright quenching and tempering processing (general steel for mechanical structures, tool steel, etc.)
  • Bright annealing processing
  • Gas nitrocarburizing processing
  • High frequency quenching and tempering processing
Heating Facilities
Equipment No. Standard deposition substance Manufacturer Usable Inner Dimensions of Furnace Maximum Part Weight for Treatment Maximum Operating Temperature
B-1 Allcase gas carburizing quenching furnace Chugai Ro W760×L1,520×H740 650kg 950℃
B-2 Allcase gas carburizing quenching furnace Chugai Ro W760×L1,520×H740 650kg 950℃
B-3 Allcase gas carburizing quenching furnace Chugai Ro W760×L1,520×H740 650kg 950℃
B-4 Allcase gas carburizing quenching furnace Chugai Ro W760×L1,520×H740 650kg 950℃
B-5 Allcase gas carburizing quenching furnace Chugai Ro W760×L1,220×H640 650kg 950℃
B-8 Allcase gas carburizing quenching furnace Chugai Ro W760×L1,220×H640 650kg 950℃
B-9 Allcase gas carburizing quenching furnace Chugai Ro W760×L1,220×H640 650kg 950℃
B-10 Allcase gas carburizing quenching furnace Chugai Ro W760×L1,220×H640 650kg 950℃
B-11 Allcase gas carburizing quenching furnace Chugai Ro W760×L1,220×H640 650kg 950℃
B-12 Allcase gas carburizing quenching furnace Chugai Ro W760×L1,220×H640 650kg 950℃
B-13 Allcase gas carburizing quenching furnace Chugai Ro W760×L1,220×H640 650kg 950℃
B-14 Allcase gas carburizing quenching furnace Chugai Ro W760×L1,220×H640 650kg 950℃
B-15 Allcase gas carburizing quenching furnace Chugai Ro W760×L1,220×H640 650kg 950℃
B-16 Allcase gas carburizing quenching furnace Chugai Ro W760×L1,220×H640 650kg 950℃
B-17 Allcase gas carburizing quenching furnace Chugai Ro W760×L1,220×H640 650kg 950℃
B-18 Allcase gas carburizing quenching furnace Chugai Ro W760×L1,220×H640 650kg 950℃
N-2 Allcase gas nitrocarburizing furnace Nippon Heating W760×L1,220×H610 750kg 650℃
P-1 Pit-type gas carburizing furnace Tokyo Gas 1,000φ×2,200H 4,000kg 1,050℃
P-2 Pit-type gas carburizing furnace Tokyo Gas 1,000φ×2,200H 4,000kg 1,050℃
P-3 Pit-type gas carburizing furnace Mochizuki Nekki Kogyo 1,000φ×2,200H 3,000kg 1,050℃
P-4 Pit-type gas carburizing furnace Mochizuki Nekki Kogyo 850φ×2,000H 3,000kg 1,050℃
P-5 Pit-type gas carburizing furnace Mochizuki Nekki Kogyo 1,000φ×2,000H 4,000kg 1,050℃
P-6 Pit-type gas carburizing furnace Mochizuki Nekki Kogyo 850φ×1,600H 2400kg 1,150℃
PN-1 Pit-type gas nitrocarburizing furnace Mochizuki Nekki Kogyo 850φ×1,200H 1,000kg 650℃
Tempering and Heating Facilities
Equipment No. Standard deposition substance Manufacturer Usable Inner Dimensions of Furnace Maximum Part Weight for Treatment Maximum Operating Temperature
BT-1 Allcase hot air circulating electric furnace Chugai Ro W760×L1,220×H610 750kg 700℃
BT-2 Allcase hot air circulating electric furnace kunimitsutekkou (Double tray type) 1300kg 400℃
BT-3 Allcase hot air circulating electric furnace Chugai Ro W760×L1,220×H610 750kg 400℃
BT-4 Allcase hot air circulating electric furnace Chugai Ro W760×L1,220×H610 750kg 700℃
BT-5 Allcase hot air circulating electric furnace Chugai Ro W760×L1,220×H610 750kg 700℃
BT-6 Allcase bright electric furnace Chugai Ro W760×L1,220×H610 750kg 700℃
BT-7 Allcase bright electric furnace kunimitsutekkou (Double tray type) 1300kg 400℃
BT-8 Allcase bright electric furnace Chugai Ro W760×L1,220×H610 750kg 400℃
PT-1 Pit-type hot air circulating electric furnace Mochizuki Nekki Kogyo 1,400φ×2,000H 5,000kg 700℃
PT-2 Pit-type hot air circulating electric furnace Mochizuki Nekki Kogyo 1,000φ×2,000H 3,000kg 700℃
PT-3 Pit-type hot air circulating electric furnace Mochizuki Nekki Kogyo 1,400φ×2,000H 5,000kg 700℃
PT-4 Pit-type hot air circulating electric furnace Mochizuki Nekki Kogyo 1,200φ×2,000H 3,000kg 700℃

Part prior to being processed by heat treatment

Allcase gas carburizing and hardening furnace

Pit-type gas carburizing furnace

Higashi Matsuyama Plant's High Frequency Line

High Frequency Quenching Facilities
Oscillator Quenching machine Part external diameter (φ) Stroke (mm) Weight (kg)
FI-1
120KW
20KHz
F-1 20~250 1,200 200
FI-2
80KW
300KHz
S-1 10~150 500 30
FI-3
50KW
400KHz
S-4 Specialized machine    
FI-4
80KW
400KHz
F-2
F-4
10~180
10~180
500 30
FI-5
180KW
25・100KHz
F-5
M-7
S-3
10~250
Specialized machine
Specialized machine
900
400
400
200
200
30
FI-6
180KW
25・100KHz
F-6
S-5
Specialized machine
Specialized machine
   
FI-7
100KW
30KHz
F-8 10~100 500 80

Part prior to being processed using high frequency quenching

High frequency plant’s quenching machine

Robot for high frequency quenching

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