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Things to Check Before Buying a Used Haas HRT Series Rotary Table

Haas HRT series rotary tables are widely used and appreciated by machining shops across the world. These machines have high demand in the used machinery market, too. A lot of people look for these machines for their machining shop because it helps them expand their machining capabilities, and that too at an affordable price when buying a used model. But buying used is always scary for some other people, too, because they think they can be scammed. So, in this blog, we will try to help you in making a wise purchase decision by mentioning things to check before buying a used Haas HRT series rotary table.

Top Things to Check Before Buying a Used Haas HRT Series Rotary Table

1. Confirm the Exact HRT Model:

The first thing that you must be sure of when looking for a used HRT series rotary table is which particular model of this series you are looking for. The series features several models, and all of them have different sizes and configurations. 

There are different models like Haas HRT160, Haas HRT210, HRT310, and HRT450, and you must check which one is required for your particular machining work. Don’t buy a bigger one if your machining work doesn’t need that.

2. Verify Compatibility with your Control Systems:

The next thing that should be in your used Haas HRT inspection checklist is its compatibility with the control systems of your current milling machines. Some of the old Haas machines may not be compatible with the HRT rotary tables. 

There can be some machines that will need a 4th axis drive and software option enabled in the control. Verify that the CNC machine you use has necessary drive and wiring support to avoid additional retrofitting costs.

3. Visual Inspection of the Machine:

One of the most important things to check before buying a used Haas HRT series rotary table is the overall condition of the machine. A proper visual inspection is very important for selecting the right machine. 

Make sure you give proper attention to cracks, exposed wires, frayed insulations, high wear and tear, and all of this will give you an idea of how the machine was maintained.

4. Check Electrical Cables and Connectors:

Another important thing one should be aware of is the condition of the electrical cables and connectors of the rotary table. When doing a visual inspection, checking the electrical components is very important.

Check for cracked insulation, bent pins, or other signs of repair. Missing and damaged cables can lead you to make expensive replacements.

5. Check Maintenance History and Accessories:

It will be great if you ask for the past application of the machine. But if that information is not available, then you must try to get the Haas HRT maintenance history. Make sure that the accessories and fixtures of the machine are all from the right brands. 

Also, confirm what is included in the machine so that you can estimate additional costs for tooling and fixturing. 

Also, if you are planning to buy a used Haas HRT rotary table, then check the Haas HRT Series for sale rotary tables in the collection of MachineStation.

Conclusion: 

The Haas HRT rotary tables are highly beneficial and can be used by different machining shops for better machining capabilities. So, you can definitely go with buying it, but make sure you buy after checking the right points.

FAQs:

1. What should I expect in terms of wear on a used HRT rotary table?

Light cosmetic wear on the platter is common. Excessive backlash, abnormal noise during rotation, or damaged wiring may indicate heavier use and should be evaluated carefully.

In most cases, parts support is still available through Haas Automation, but availability can vary by model and production year. Verifying parts support in advance is recommended.

Haas HRT rotary tables are designed primarily for Haas controls. Integration with non-Haas machines may require additional hardware and is not always practical.

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