Straw Chopper Knife with Stable Rotation manufacturer from China Ningbo Combine Machinery Co., Ltd.

Straw Chopper Knife with Stable Rotation

Price:	1.5~4.0 USD
Payment Terms:	T/T,L/C,D/A,D/P,WU
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Means of Transport: Ocean

Packing: Neutral Cartons and Pallets...

Brand Name: COMBINE

Colour: black, yellow, natural etc.

Edge hardness: 45 - 58 HRC

Surface: anti-rust oil; varnish stov...

Production Capacity: 2000 per day

Delivery Date: 20 to 50 days

Material: 65Mn, 60Si2Mn, C45, 40Mn, 4...

Thichness: 3mm - 6.5mm

Knife hardness: 25 - 30 HRC

Type: straw chopper blade

Straw Chopper Knife with Stable Rotation
1. Stable Ratation
2. Good heat treatment
3. Safe use
4. excellent apperance

Quality point for the rotor knife :

1. The weight tolerance between different choppers must be ± 6g, to keep the Stable Ratation.

2. How to keep good quality:

1) cut the raw material according to the pattern of steel, and the chopper length direction must be along the pattern such as below, or it will be easily brocken;

2) Heat treatment: Firstly, increase the hardness by integral quenching, then tempering to 25-30 HRC, finally add the cutting edge hardness to 50-55HRC by high-frequency quenching.

We use salt bath quenching, by which the temperature is more homogeneous

3) Chambering in the hole or add a bushing in the hole. That's because the hold is tapered after the punching, it will abrade the hold the matched parts.

Agricultural Exhibitions we attended:

Agricultural Exhibitions we attended:

Certificates we own:

Other products:

Ningbo Combine Advantage
1. We have been working internationally in the area of agricultu al parts and bearings since 2002 and have excellent knowledge,experience in the agricultural field. 2. We offer over 1000 different spare parts for a wide range of agricultural machinery, from combine harvesters, mowers,rakes to balers.They are used for various makes like John Deere, LAVERDA ,Claas, New Holland and Case/IH. 3. Averagely we add at least five new items monthly to our production range. This wide supply and quick development are our big advantages over our competitors 4. "Quality","honesty"and"service" is our principle, we export to more than 56 countries at present, mostly to Europe.

Ningbo Combine Advantage

1. We have been working internationally in the area of agricultu al parts and bearings since 2002 and have excellent knowledge,experience in the agricultural field.

2. We offer over 1000 different spare parts for a wide range of agricultural machinery, from combine harvesters, mowers,rakes to balers.They are used for various makes like John Deere, LAVERDA ,Claas, New Holland and Case/IH.

3. Averagely we add at least five new items monthly to our production range. This wide supply and quick development are our big advantages over our competitors

4. "Quality","honesty"and"service" is our principle, we export to more than 56 countries at present, mostly to Europe.