Series 1-7 Your inquiry upon steel belts

When you think that steel belts may be used in your applications, or you are interested in getting quotation, please visit our contact page at
https://ssl.steelbelt-dymco.jp/cgi/webform_en/webform.cgi

There you find two PDF options and Inquiry Form.

PDF options are
- Inquiry sheet Conveyor Belt, which tells us about things conveyed, its speed, conveyor outline such as pulley diameter and center distance.
- Inquiry sheet Power Transmission, which is designed to find out driving stress on steel belts.
With these information Dymco suggests desirable steel belt size based on our calculation.
Of course Inquiry Form is appreciated. Please fill in your requests and questions there. We reply soon.


Series 1. Solar power generation and steel belt
No. 7 Your inquiry upon steel belts

Series 1- 6 Steel belt and various manufacturing methods of solar battery

CIGS, thin film, organic thin film, spherical silicon, ribbon silicon, and combination of these. Production methods of solar battery have diversified.
So are substrates. Silicon, polyimide, stainless steel and others are employed.

In every transmission phase of many production methods stainless steel belts and metal rolls are of your choice for these features;

- flat and smooth surface
- very little particles
- conductive. No static electricity
- withstand vacuum environment
- heat resistive- very little elongation under the room temperature

Please refer to http://www.steelbelt.jp/examples.php for applications.

Series 1. Solar power generation and steel belt
No. 6 Steel belt and various manufacturing methods of solar battery

Series 1-5 Steel belt and roll to roll flexible type solar sheets

Apart from silicon crystalline modules, there are flexible solar sheets that can be attached to bending surface of buildings. These sheets are produced by roll to roll continuous flow.

Please consider metal belt or metal roller as one of optional parts in roll to roll process, if you think nipping between rollers is very important.
As you know we deal with very thin metal belts.
We make use of this thin metal belt and make it a nipping roll.
Surface of this nipping roll is thin metal and inside is air. So we call it ‘air roll.’
This structure results in nipping when this roll touches with another hard roll.

Air roll offer;
- Wall touch
- smooth surface
- heat resistance
- less contamination than rubber rolls
- electrically conductive
-quick cooling or heating by wall touch
- heat resistanceless contamination than rubber rolls

Series 1. Solar power generation and steel belt

No. 5 Steel belt and roll to roll flexible type solar sheets

1-4. Steel belt and handling of solar modules

Handling of solar modules and various large panels can be done with
- wide steel belts or
- multi-lane conveyors, where some narrow belts are lined.

In any case stainless steel belts offer;
- very little particle
- heat resistance
- removal of static electricity
- corrosion resistance
- no elongation under the room temperature

Series 1. Solar power generation and steel belt
No. 4 Steel belt and handling of solar modules

1-3. Steel belt in tabber and stringer

Fluoroplastic-coated stringer belt

Tabber and stringer connect crystalline cells and make them a line. Later these lines are further connected and a module is formed.

Crystalline cells and electrically conductive lead are set and soldered in tabber and stringer, where steel belts are perforated for aligning cells by suction and also fluoroplastic-coated to get a line of cells removed smoothly after soldering. Steel belts withstand more than 200 degrees of Pb-free soldering.

Series 1. Solar power generation and steel belt

No. 3 Steel belt in tabber and stringer

1-2. Handling of silicon wafer and solar cells on steel belts

Silicon ingots are sliced down and wafers come out.Wafer thickness is generally 0.15mm or less. They are easily damaged if you just slightly bend them.

Handling of these wafers and solar cells is very delicate as it is in semiconductor production. But it must be cared till they are made modules including adding circuits and connecting cells.
Smooth and flat surface of steel belts is evaluated in this process. Sometimes perforated steel belts are employed to position wafers and cells precisely by suction.

Series 1. Solar power generation and steel belt
No 2. Handling of silicon wafer and solar cells on steel belts

Series 1. Solar power generation & steel belt

No. 1. Silicon ingot and bandsaw substrate

This series introduce how steel belts are used in solar power generation and photovoltaic generation.

Let us begin with mono- and multi- crystalline cells and modules, the most popular generation method in this field.

Solar cells are made from silicon. Silicon ingot is made in a kiln and then cut into some segments in a cutting machine. This cutting is done by diamond-electrode bandsaw and its substrate is a steel belt. Bandsaw of circumference 3230mm is driven very fast, about 21 meters per second, and makes 6 to 7 rotations per second. Steel belts are such tensile to withstand countless number of rapid rotations.

After this process each segment is further cut down into wafer.