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Frequently Asked Questions concerning Carmix

At Carmix USA, we take pride in our commitment to providing our customers with top of the line self-loading concrete mixers that are reliable, efficient, and easy to operate.

We understand that our customers may have questions about our products, and services and we’re here to help.

To assist you in making an informed decision, we’ve compiled a list of frequently asked questions about Carmix self-loading concrete mixers.

GENERAL INFORMATION, PRINCIPLE OF FUNCTIONING OF CARMIX

What is a Carmix self-loading concrete mixer?

A Carmix self-loading concrete mixer is a machine that combines the functions of a concrete mixer and a loader as well as being equipped with a precise electronic weighing system. It’s a versatile and innovative solution for producing concrete on-site, without the need for a concrete plant. The machine can load, mix, and deliver concrete while being able to drive on or off the road, making it ideal for use in a variety of construction projects.

What are the benefits of using a Carmix self-loading concrete mixer?

Using a Carmix self-loading concrete mixer provides numerous benefits, including increased efficiency and cost savings. By producing concrete on-site, you eliminate the need for transportation from a concrete plant, which saves time and money. The machine is also environmentally friendly, reducing carbon emissions and energy consumption. Additionally, the self-loading feature of the machine means that it can be operated by one person, making it easy to use and reducing labor costs.

How does the Carmix self-loading concrete mixer work?

The Carmix self-loading concrete mixer works by combining the functions of a concrete mixer and a loader. The machine weighs and loads raw materials, including sand, gravel, and cement, into the mixing drum. The drum then rotates, mixing the materials while the machine drives to the pouring site. Once the machine arrives at the site, it can discharge the concrete either directly onto the ground or into a concrete pump.

What is the capacity of a Carmix self-loading concrete mixer?

The capacity of a Carmix self-loading concrete mixer varies depending on the model. We offer several models with different capacities, ranging from 4 to 6 cubic yards per batch. Our machines are designed to meet the needs of a wide range of construction projects, from small-scale residential projects to large commercial developments.

What kind of maintenance does a Carmix self-loading concrete mixer require?

To ensure optimal performance, a Carmix self-loading concrete mixer requires regular maintenance just like any other construction equipment. The machine should be inspected regularly, and any necessary repairs should be made promptly. The mixing drum should be cleaned after each use to prevent the buildup of concrete, and the engine should be serviced according to the manufacturer’s recommendations (every 250 hours of operation). Proper maintenance will help to extend the life of the machine and ensure that it operates at peak performance.

Where can I purchase a Carmix self-loading concrete mixer?

Carmix USA is the exclusive distributor of Carmix self-loading concrete mixers in the United States. You can purchase a machine directly from us. Our team of experts is available to assist you in choosing the right machine for your needs, and we offer a range of financing options to make your purchase as affordable as possible.

Is rental of Carmix available in the US?

Carmix USA holds a rental fleet and can offer rental of Carmix 3500TC units for any project in any state. We provide our technical expertise together with the rental unit to allow our clients to get maximum productivity and efficiency out of Carmix usage.

CONSTRUCTION SPECIFIC FEATURES, TRANSPORTATION

How long can Carmix work without refueling?

Capacity of fuel tank of Carmix 5,5 XL is 40 gal. and 3,5 TT – 29 gal. Fuel consumption amounts to 4 gal./h and 3.17 gal./h accordingly. It results in that Carmix can work for 10-11 hours without refueling.

How can I prove the concrete grade produced by Carmix to the GC or any other quality control authority?

You can be assured of high-quality concrete produced by Carmix by following the same procedure as with a traditional concrete plant. First, perform a test mix and print out a receipt from the weighing system that shows the proportions and volumes of loaded inert materials. Next, submit samples of the concrete and the weighing system receipt to a laboratory. The laboratory will then issue its conclusion, confirming that the concrete produced by the Carmix machine complies with the specific grade of concrete parameters. This ensures that the concrete produced by Carmix meets the necessary quality standards.

CONSTRUCTION SPECIFIC FEATURES, TRANSPORTATION

To what extent is Carmix concrete mixer maneuverable?

Carmix concrete mixer is equipped with a crab-walk system and asynchronous wheels turning. This technical solution allows to Carmix 5,5 XL with an overall length of 20,67 feet to have an external turning radius of just about 13 feet and internal one – 5,91 feet.

Can Carmix drive on public roads?

It can, but due to technical specific features and limitations of maximum speed of up to 22 mph, it is not recommended to drive Carmix over long distances. It is recommended to not exceed 25-35 miles overall traveling distance, but for farther distances, it is necessary to use a special compact trailer or step deck trailer.

Is Carmix transported as standard or oversize cargo?

All Carmix machines do not exceed maximum allowable limits for transportation of cargo on public roads both in terms of width and in terms of height.

Why does weighing take place in the drum of Carmix mixer and not in a shovel?

Carmix achieves high accuracy and speed of weighing by weighing the materials directly in the mixing drum, rather than in the bucket. This eliminates the need for the operator to measure the exact quantity of material in the bucket before loading it into the drum. Instead, the operator simply needs to close the slide gate when the desired amount of inert materials is in the drum. Weighing materials in the bucket, on the other hand, requires the use of a hydraulic cylinder. This method is less accurate in colder temperatures, as it relies heavily on the properties of hydraulic oil and the outside temperature. Carmix’s method of weighing directly in the mixing drum ensures reliable accuracy and speed, regardless of the outside temperature.

How can I control consumption of inert materials?

The weighing system in Carmix is equipped with a printer that allows you to print out receipts with statistical data from the weighing system once per shift or as needed. These receipts show the quantity of each type of inert material used during the work and the volume of the produced ready mix. They also display any inaccuracies that may have occurred during weighing and the time spent for each operation during loading. This information provides great opportunities for controlling expenditures and working time. By analyzing the data provided on the receipt, you can optimize your workflow, improve accuracy, and increase efficiency. With the help of the weighing system and the printer, you can track and optimize your concrete mixing process for maximum productivity and cost-effectiveness.

How can various admixtures and additives be used with CARMIX?

Carmix can be tailored to your specific needs and preferences, including the option to add an additional tank for liquid additives, pump, and flowmeter. With this setup, one of the water tanks is divided by an internal division wall according to the proportion required by the customer. This allows for the automatic supply of admixtures to the mixing drum during concrete production. By incorporating this feature, Carmix provides greater flexibility and efficiency, allowing you to produce high-quality concrete with specific characteristics according to your requirements.

How can I load cement into Carmix?

There are two ways to load cement into the mixing drum of Carmix:

  • By using a cutter-blade that is installed at the bucket for cutting bags with cement. This method ensures easy unpacking of the bags with minimum effort.
  • An alternative to the first option is to use a cement silo called CarSilos. The silo is equipped with an automatic supply system, a system of dust suppression, and its own batching system. It is also possible to use silos from other producers. By using a cement silo, you can streamline the loading process and ensure consistent and accurate batching of cement for your concrete production needs.

MAINTAINING YOUR CARMIX

Where can I get spare parts for my Carmix?

If you’re looking for spare parts for your Carmix mobile self-loading concrete mixer, you’ll be pleased to know that we use high-quality components from reputable manufacturers such as Bosch Rexroth, Dana Spicer, Cummins, Perkins, and others. These manufacturers have extensive service centers in major cities around the world and can provide timely assistance whenever required. We keep a stock of all other spare parts, so you can be sure that we can quickly supply any parts you need.

How to execute maintenance on a Carmix?

To ensure that your Carmix concrete mixer operates smoothly for a long time, it’s important to follow the service procedures and regulations outlined in the booklet provided to you when the machine is commissioned. Technical maintenance should include daily cleaning of the machine to remove any concrete residue using the onboard high-pressure washing system. Additionally, it’s important to check the working fluids and air filter regularly to ensure that they’re in good condition.

Where do I find the serial number?

If you need to locate the serial number of your Carmix concrete mixer, it can be found in two places: on a plate located on the right side of the cabin or on the frame under the chute extension near the front axle. Serial numbers for axles are placed in the center of the axle, while the engine serial number can be found on the central part of the engine.

We hope that these frequently asked questions have been helpful in providing you with a better understanding of Carmix self-loading concrete mixers. If you have any additional questions or would like more information about Carmix, please don’t hesitate to contact us. We’re here to help you succeed in your construction projects.