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Kinugawa Turbo Systems Line-up Code Explanation of TD Series

Posted by Service Kinugawa on

Kinugawa Turbo Systems these days carry the TD prefix followed by a number. the number generally designates the class of turbo and turbine wheel size. The most current models are the TD series turbine wheels.It roughly breaks down into TD generation of turbine wheel, 5H class of turbine wheel (specific size) , 16G compressor wheel, 6CM turbine housing.

1. Turbine housings:
Below is a small chart translating the turbocharger information into more common A/R ratios that we are all used to seeing
these days as used with Garrett turbochargers.

6 cm2 = 0.41 A/R
7 cm2 = 0.49 A/R
8 cm2 = 0.57 A/R
9 cm2 = 0.65 A/R
10 cm2 = 0.73 A/R
11 cm2 = 0.81 A/R
12 cm2 = 0.89 A/R

All TD04 based turbochargers us 6CM turbine housings (to my knowledge) and TD05 series turbochargers generally use anywhere from 6 to 10cm housings.

2. Compressor wheels:
Kinugawa compressor wheels are usually a number joined with a letter. The number is a specific wheel and the letter is the shape or blade arangement (trim). There are G,T,GK,TK,KX series wheels. "G" series compressor wheels are usually alternating blade heights and curvature of the fins, where as "KX" series wheels are all lateset designed with 3rd-order surface point milling.
  • 3D Design and Three-dimensional Flow Analysis.
  • The new type of wheel can reduce the impact loss and eddy loss of airflow. Higher compressure ratio and broader flow range available.
  • The highest efficiency of Compressor can reach 81.8%
Kinugawa Compressor Wheel Generations
 
Kinugawa Turbo Systems Third-order surface compressor wheel
Free Surface Ruled Surface
Process Point Milling Flank Milling
Machining Time Slow 120 mins.each Quick 15 mins.each
Characters

 

1. Free Surface can be only produced by Point Milling
2. More air pressure and increase much better flow efficiency.
3. Mainly for high-efficiency turbochargers.

1. Ruled Surface can be produced by Flank Milling
2. Low efficiency
3. Only suitable to the very easy design of compressor wheel
4. Mainly for fundamental mechanical engineering such as Centrifugal compressor

3. Turbine wheels:
Any TD04 series compressor wheel will fit on any TD04 series shaft weather its TD04H or TD04HL or even TE04H.
TD04 and TD05 series compressor wheels are not interchangeable because of the size of the hole in the compressor wheel.
You CAN sleeve a TD05 wheel to fit a TD04 shaft but this requires precise balancing and if the compressor wheel is too big.
It MAY cause the shaft to snap a high speeds or wear on bearings un-evenly and cause a failure.
Kinugawa Turbo Systems Turbine Driven Line-Code
Turbocharger T = Exhaust Gas Turbocharger
D = Turbo design series (not alphabetical)
04 = Turbine wheel frame size
H = Optional suffix for enlarged diameter:
Compressor 08 = Compressor size:
At the highest efficiency on the compression line ratio
π = 2, the air flow is 0.08 m3/sec.
T = Compressor Wheel design type (not alphabetical)
Turbine H = Optional suffix for wheel width:
S = small
M = medium
L = large
R = Optional suffix for reverse rotation direction
6.5 = Turbine Housing throat area = 6.5 cm2
(this is the dimension A in A/R) or VG for Variable Geometry
or total area plus suffix T/S for Twin Scroll housing
Hybrid Turbocharger When using a Compressor wheel from another Turbine series, it is called a hybrid Turbocharger, for example :
TD04-04H*13T-6.5 T/S
In this example a 13T compressorfrom the TD04H series is combined with a TD04 series turbine.
- 3.1 Turbine Wheel Characteristics
Kinugawa Turbo Systems Turbine Housing an Wheel Frames
- 3.2 Superior Turbine Strike
The STS turbine wheel. It will take a shorter time (decrease 5-8%) to build a boost and, at higher RPM, prevent choking immediately because it's less inertia and restrictive than an 11 or 12 blades turbine. The STS Advanced ceramic dual ball bearing technology improves the response speed (time needed to build boost) 10-15% as well as being more durable due to the improved shaft dynamics control. The increased power comes from the enhanced design. It utilizes an inner and outer race with rollers or balls between the two races. The inner race is pressed onto the turbo shaft, and the outer race is pressed into the CHRA. The rollers or balls replace the oil’s “job” of controlling the turbo shaft’s orientation but do still need to be lubricated. 
Kinugawa STS Superior Turbine Strike Technology Evolution
kinugawa sts turbine wheel 03
- 3.3 STS Advanced (STS enhanced by Ceramic Dual Ball Bearing)
kinugawa sts advanced tech
kinugawa sts advanced ball bearing tech
4. Compressor Maps
Kinugawa Compressor Map TD015 - TD08
5. Horsepower Range:
kinugawa turbo systems horsepower range td series

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