Below is a list of the most frequently asked questions about balancing machines by subject area.
How do I calculate balance tolerances?
Please refer to the following link to calculate balance tolerances. ISO CALCULATOR
What information do I need to order a balancing machine?
You basically need 5 pieces of information before you buy a balancing machine:
- Rotor Type (type of part that you want to balance)
- Part Weight (minimum and maximum weight if you will balance more than one part type)
- Correction Method (drilling, grinding, milling, mass centering, welding, or punching, or weight addition
- Number of parts to be balanced per annual volume
- Balance Tolerance (single plane or two plane)
If you don’t have this information or are not sure how to determine this information, give us a call, Hines can assist.
What is the delivery time for a balancing machine?
The delivery time for a balancing machine varies depending on the type of machine being ordered and any unique aspects of the specification. Please contact your sales rep for an estimated delivery frame.
How do I know what Hines machine model (vertical, horizontal, cradle, driveshaft, static, dynamic) is the best for my application?
The best machine would be determined by available budget, part type, correction method, balance tolerance (single plane or two plane), and how many parts need to be balanced per annual volume. Call Hines and we will use our 40 years experience to determine the best machine for your application.
How can I improve my manufacturing process to reduce initial unbalance of parts?
Hines has over 50 standard models and hundreds of specialized balancing equipment configurations; manual, semi-automatic, and fully automated balancing machines capable of balancing hundreds of parts per hour to the tightest tolerances. There are many ways to reduce unbalance. Some examples include: A. Casting control, (have your casting supplier help by monitoring casting unbalance prior to machining), B. Mass center monitoring prior to final machining, and C. Holding tighter tolerances during the part manufacturing process. Every member of the Hines team has a depth of experience. You can contact sales or support and we will answer your questions and assist you in finding the best way to reduce your part unbalance to within your required tolerance range. Hines has consulting services available.
Why should I order Hines balancing equipment instead of one from another company?
For over 35 years, Hines Industries has been an industry leader in design and engineering of balancing machines, tooling, and correction methods along with part handling, automation, and production line quality improvement machines. What sets Hines apart is our flexibility to cater to specific needs of our customers. Hines industrial balancing machines are renowned for repeatable precision, rugged durability, and ease of use. In addition, Hines provides in plant training and best in the industry service and technical support for all types of balancing equipment and production improvement machines. 90% of your parts can be shipped the next day with just a phone call to Hines Service. Hines equipment is made in the USA and is a certified Woman Owned Business. Hines takes the extra step in protecting customer information by adhering to NIST standards. View our NIST 800-171 Certificate of Compliance here.
Do I need to run the component being balanced at operating speed in order to ensure that it will be in balance when in operation?
In most cases the operation speed is not tied to the speed at which the part is balanced. For a rigid rotor, the balancing speed is independent of the operating speed. In fact, in many cases parts are balanced on a non-rotating balancer. If the part being balanced flexes or changes shape (as in the case of a straw chopper or flail mower), it may be necessary to run the part at or near the operating speed. This is because while the unbalance does not change with speed, the centrifugal force is changing with speed and that interferes with the mechanics of reading the unbalance. So, the part must be balanced at a speed (usually around the operating speed) where the centrifugal force has stabilized.
In other cases, the balancing speed is set by a regulatory organization. For example, the balancing speed for jet engine turbines is set by the FAA, so FAA regulations would need to be referenced to determine the appropriate balancing speed.
Does Hines offer balancing services?
Yes, Hines offers full balancing service with fast turnover time. Contact Hines to locate the most expedient source for your balancing needs. Hines Industries, Inc. provides balancing services, and offers the additional benefit of providing tooling or fixtures required to balance your parts.
When should I schedule maintenance on my equipment?
Hines Industries offers service level agreements that include preventative maintenance. Our service level agreement plans let you budget for inspection, preventive maintenance and repairs in advance to ensure longevity, repeatability, accuracy and precision for your manufactured quality parts and meet your production requirements.
