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NAGAOKA's TECHNOLOGIES

 


 

In modern times where high-tech conversion advances, various machines are moving in every scene including OA equipment. You can not miss having an active part of expendable parts that needs "wear resistance" there. "Diamond record needle" Nagaoka "makes various consumable parts, making full use of the world-recognized technology. Specialty machining such as joining and polishing of hard hard-to-cut materials indispensable for general-purpose machinery and general technology is specialized field, and we have won a lot of trust in its advanced technical strength.

 

 

 

Main processing technology

 


The precision processing technology of diamond that Nagaoka accumulated blossomed to not only the record needle but also hard-to-cut materials such as cemented carbide and magnet parts, ultra fine processing.
In response to the evolution of equipment, the needs have been improved every year, initially promoting technology development based on experience. We constantly strive to respond to customers' demands in various ways and finely.

 

 

 

 

 
 

Keep moving, keeping memories memorable, telling the splendor of music to the next generation.
A person listening to the record says Nagaoka as "a record needle ..." We take pride in this fact and believe there is a responsibility that has continued to produce record needles for more than half a century.
Nagaoka is the only manufacturer that can consistently produce products ranging from the sound groove of the record to the amplifier.
We perform all inspections in every work of drawing from plate material, molding of aluminum pipe, welding diamond needle, polishing work one by one and handmade one by one.
The assembled finished product continues to provide products of stable quality by inspecting characteristics using an inspection machine such as an oscilloscope.

 

 

 

Replacement needle for cartridge maker

 


 

Manufacturers have already produced and supplied replacement needles for products whose production has been completed.
(It is a product with no inventory, we will accept repair correspondence for users who absolutely need it.)

 

 

 

Original MP cartridge

 


 

In addition to supplying record needles, we are manufacturing moving permalloy type cartridges that can exchange needles developed by Nagaoka.
It is a light weight structure in which a cantilever and a magnet are separated, and it becomes a system which magnetizes a permeable material and generates electricity.
Because it has a structure that does not carry heavy magnets at the rear end of the cantilever, it has high trackability to the sound groove and has a good influence on the sound quality.
Products are available in several types due to changes in materials used and vibration system.

 

 
 
 
As the only manufacturer in the country, diamond record needles that respond to the strong popularity of audio fans.
Diamond and various metals are bonded in a vacuum welding furnace, then the diamond is polished into a cone or a square pyramid.
This processing technology is also applied to styluses (precision measurement equipment terminals) and special tools for diamonds.
Particularly in welding, we are proud of bonding technology capable of weighting about 500 grams with 0.1 mm 2 joining surface.
In addition to this, precision polishing and microfabrication of gems such as sapphire and ruby ​​are also carried out.
 
 
 

 

Precision measuring equipment terminal

 


 

The high-level technical strength that Nagaoka has cultivated is also used for special parts such as terminals for measuring shape and surface roughness.
Even with custom-made custom-made products from customers, we will manufacture machining machines in-house as needed and respond accurately to special shape styli.

 

 

Diamond special tool

 


 

The polishing of diamonds is performed precisely and delicately by skilled workers.
In polishing work, craftsmanship making full use of the slight sense of fingertips as well as eyes and ears is made use of. In addition to polishing technology, it is characteristic of joining diamond and metal.

 

 

Precision grinding and microfabrication of precious stones such as sapphire ruby

 


 

Diamond precision processing technology accumulated by Nagaoka is utilized for difficult-to-cut materials such as sapphire, rubies and other jewelry, ultra-fine processing.

 
 
 

Compared to diamonds, wear resistance is somewhat inferior, but it is hard to be chipped, cheap and economical also attracts attention is cemented carbide.
In the precision machining of cemented carbide materials, we produce replacement blades for cutting plotters that are interlocked with computers.
This product machines the tip of a cemented carbide into a knife shape, and the cutting edge part is a fine work with a microscope.
The jewelry polishing technique is also made use of greatly here, boasting world-class quality and the industry's largest share.
We also offer terminals for various precision measuring instruments using cemented carbide materials.

 
 

 

Precision measuring equipment terminal

 


 

We have hundreds kinds of production experience according to various measuring objects. We will manufacture from 1 order.

 

 

 

Carbide cutter

 


 

In the precision machining of cemented carbide materials, we produce replacement blades for cutting plotters that are interlocked with computers. This product is made by processing the tip of a cemented carbide into a knife shape, born from a fine polishing work using a microscope. The jewelry polishing technique is also made much use here.

 

 
 
 
 

Processing of magnets indispensable as motor parts is a field where demand grows year by year.
In Nagaoka, the technology of special shape processing, precision processing, micro / fine processing is reflected in the product according to the customer's order.
Magnet parts produced by our company are also active in mobile communication equipment, computers, automobiles, cameras, various household appliances, and other places close to their lives.
We mainly deal with samarium-cobalt and neodymium-iron based parts of rare earth magnets.

 
 

 

Production method by original processing machine


 

Magnet processing essential as a motor part. In Nagaoka, the technology of special shape processing, precision processing, micro / fine processing is reflected in the product according to the customer's order. Magnet parts produced by Nagaoka are playing an active part in living situations such as mobile communication equipment, computers, and cars.

      

 

 

 
 
 
Tungsten probes for IC checkers, which we commercialize, have a reputation for their high quality.
Special processing of various kinds of ceramics is also expected in the future where demand growth is expected.
In Nagaoka, we manufacture machining machines in-house according to orders where specialized technical staff diversify each time.
Such an integrated system enables the production of many kinds of parts with higher precision and lower cost and short delivery time.
 
 
 

 

Probe pin

 


 

Probe pins used for LSI inspection are machined into a conical shape that is thinner towards the tip because of high density mounting on inspection equipment. Compared with traditional electropolishing process, it is possible to process pins with excellent taper angle and linearity.
Along with the increase in the density of LSI, we are currently processing probe pins with a wire diameter of 0.1 mm or less. Also, the tip diameter and taper angle can be set arbitrarily according to the intended use.

 

 

Special processing

 


 

Special processing of various ceramics is also a field where demand grows in the future. In Nagaoka, we design and manufacture special machining machines in-house according to orders that specialized technical staff diversify. Such an integrated system enables the production of more sophisticated components in a variety of products, as well as lower costs and shorter delivery times.

 
 

 

 

 

 

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