Specialized Machines Offering Performance and Reliability Backed by "Miyamoto Quality"


Our products are widely used in the manufacture of precision parts such as those used in the automobile and motorcycle industry. We combine the advanced technologies accumulated over many years with flexible creativity and unique ideas to develop innovative mechanisms that challenge conventional concepts. All our products provide high reliability backed by the "Miyamoto Quality" to accurately meet the needs of customers.

■Cylinder head leak testing machine

This machine performs leak tests for various cylinder head sections at separate stations. We can manufacture sealing rubber for sealed sections based on empirical values accumulated over many years.

■Shaft machining tool

This machine tool combines a broach and gun drill.

■Stator shaft deburring machine

This machine uses a small-diameter drill and magnet to remove burrs from the inside and outside of holes made in stator shaft. The robot can be mounted with a tool to remove burrs from difficult-to-reach locations.

■Stabilizer link assembling/swaging/testing machine

This fully automated machine puts together four stabilizer link parts while filling joints with grease, swaging and performing other tasks. It then conducts vibration check and rotation torque check in the final stage. It can be set up to process parts for different models.

■Gear roughage depalletizing machine This machine takes gear roughage piled on a pallet one by one. It uses a camera to detect the position of material, and then adjusts the pick-up position accordingly.
■Cylinder head valve seat guide hole measuring machine

The jig tilting operation and gauge head operation are numerically controlled, thus allowing easy setup for processing workpieces with different hole diameters, pitches, angles, etc.

■Washing & deburring machine

This equipment washes off burrs from crankshafts that are precisely machined to specifications in the preceding process, then washes the entire crankshafts and dry them. The NC system enables continuous processing of crankshafts for different models.

■Cylinder head valve seat guide press-fitting machine

This machine press-fits the valve guide and valve seat from the top and bottom of cylinder head simultaneously at normal temperature. Since all axes of motion are numerically controlled, the machine can be set up to process workpieces with different pitches, angles, etc.

■Cylinder head housing assembly machine

This machine automatically supplies housing caps and bolts to a cylinder head and tighten them. Since it performs those processes sequentially in multiple stages inside the unit, it can complete parts attachment and tightening process in a short period of time.


Delivery record

Cylinder head

Intermediate/complete product leak testing machines
Valve seat guide press-fi tting machines
Cap-type plug press-fi tting machines
Cam cap assembly machines
Plug pipe press-fi tting machines
Plug pipe leak testing machines
Steel ball press-fi tting & leak testing machines
Valve seat guide hole measuring machines
Cam hole measuring machines
Marking machines
Heating furnaces
Cooling machines
Bolt tightening machines
Cotter Retainer assembly machines
Stem seal assembly machines
Crosshead adjustment machines

Cylinder block

Intermediate/complete product leak testing machines
Cylinder liner press-fi tting machines
Washing & deburring machines
Heating furnaces
Cooling machines
Ladder frame assembly machines
Block & case knock-out machines

Crank case

Leak testing machines

Cam carrier&Cam housing

Leak testing machines
Cam cap assembly machines
Knock Pin Press Machines
Bolt tightening machines

CVT case

Leak testing machines


Washing & deburring machines
Pressing and broaching machines

Pinion gear

Deburring & measuring machines


Shrink-fitting machines
Deburring machines
Broaching machines
Depalletizing machine for roughage feed

Transport system
& robot system

Robot automation system
Automation system

Turbine rotor

Balancing machines

Ball stud

Automatic thread rolling machines
Thread deburring machines
Drilling machines

Broaching machine

Electric broaching machines for shaft machining
Electric broaching machines for gear machining

Stabilizer link

Stabilizer link assembly/swaging/testing machines

Other manufacturing

Grease application machines
Drive shaft boot insertion machines
Ring clip insertion machines
Seal swaging machines
Oscillation testing machine
Pipe swaging machines
Caliper plate (yoke) drilling machines
Damper assembly machines

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