Whether you refer to them as hammers, breaker bars, blow bars or something else, getting the most out of your impact crusher can come down to the blow bars you are using and their quality. Whether you are using Martensitic Steel blow bars or chrome alloy blow bars, it’s important to make the right choice. However, when it comes to choosing the right blow bars then the right selection usually depends upon various factors.
Effective tips to select the right blow bars for your crusher
Do you want to know how to select the right blow bars for your crusher? To help you in making the right choice, we have brought some effective tips to choose the right blow bars here. Make sure to consider these tips while getting the blow bars for your crusher:
Understand different blow bars grade
Understanding different grades of blow bars can let you make a more effective choice with ease. Have a look at different blow bars grade to get a clear idea about the things in this regard:
Grade A blow bars
- The grade A blow bars come up with excellent shape.
- Thickness of these blow bars is above average i.e. 4.5” with positive noses effective to locate the blow bar.
Grade B blow bars
- These blow bars come up with the poor shape.
- Average thickness of these blow bars is 4” with three deep grooves that can cause a poor rating.
Grade C blow bars
- These blow bars also come up with poor shape.
- Average thickness of these blow bars is 3.4”. However, the single deep groove can cause a poor rating.
Choose machined blow bars
When you are looking for blow bars, it can be effective to consider well-machined blow bars. Make sure your chosen blow bars are machines in a proper way where they are contacting the rotor or at least these need to be straight and flat at least.
Make sure to notice the gaps present under the straight edge. If these are light then it will not support blow bars in a proper way and can cause breakage.
When choosing medium chrome alloy, be careful
When you are getting specified medium chrome alloy then understand the family of alloy used in that. Most common alloy classification for blow bars is given below:
- Martensitic Steel blow bars with Low chrome 3-5% which can be considered as very tough alloy.
- White iron includes 15% medium chrome and 25% chrome high chrome.
- Consider cost and quality
Whenever it comes to choose the best blow bars for your crusher, then it is important to consider their price and quality. Even though the pricing can vary due to multiple factors including type of blow bars i.e. Martensitic Steel blow bars, chrome blow bars, hybrid blow bars or more. Still, considering price and quality can help you in making an effective budget choice.
Whatever is your purpose of using a crusher, you have to understand the fact that type of your blow bars matter. So, make sure to consider the above mentioned tips and make a smart choice. Qiming Machinery can help you in selecting the right blow bars too.
On the other hand, there are a few key points that you need to consider when selecting the correct blow bar for an application:
- Feed Material. The type of feed material can have a large impact due to the different abrasiveness of materials
- Uncrushable material. This is material such as steel or rebar that can cause blow bar breakages.
- Feed Size. This has a direct link to what blow bars should be selected for each application.
|Blow Bar Type||Recommended For||Recommended For||Risk Of Breakage|
|Martensitic||High Abrasive Material||Very large feed size|
|Chrome||Low Abrasive Material||Large feed size|
|Low Abrasive Material||Large feed size|
|Chrome Ceramic||Low Abrasive Material||Large feed size|
|TIC Inserts||High Abrasive Material||TIC rods drop out|