The Superior Blog

Boring bars come in numerous sizes, depending on the job at hand. SPR has manufactured many different sizes for a variety of industries. Our large diameter, B3000 12-inch boring bar was custom built for the shipbuilding industry and is unrivaled in its precision and quality.

Nothing says convenience like having the exact machinery at your fingertips when you need it. Especially when it’s a large job or situated in a remote location. At Superior, we offer a range of portable line boring machines that are dependable, precise, and efficient. Our portable line boring machines offer unparalleled quality and a level of […]

What is precision grinding? Materials that have relatively small surfaces often require precision grinding to achieve a high degree of flatness and a high degree of surface finish. Traditionally, it is used as one of the final machining processes on a part. Precision grinding is just that exact. It is used for applications requiring tolerances of […]

What is calibration? Equipment calibration is one of the primary processes used to maintain either an instrument or piece of equipment’s accuracy. It is the method of comparing a reading on one piece of equipment or system to another that has been referenced to a known set of parameters. At SPR, our experienced and knowledgeable team offers […]

Customized machinery designed for a specific task often alleviates operators' need to make adjustments in the middle of a job. This increases overall efficiency, safety, and productivity. At SPR, we understand how custom-designed tools can be optimized to deliver a superior effect.

As a family of companies, we bring over thirty years of specialized industry expertise to the table. It is one reason we've been able to expand our operation to ten offices across Canada and the United States, and create a worldwide dealer network. That same expansion is reflected in the machinery, tools, and equipment that we rent and sell. We […]

The word Superior is defined as something exceptional in quality. Over five years ago, when Superior Plant Rentals, York Portable Machine Tools, and Cliff’s Bits Precision Grinding and Tooling became Superior (SPR), something exceptional in quality was born. And, with the recent addition of 5M Manufacturing, SPR continues that legacy of […]

The milling machine was born in 1861 when Brown and Sharpe developed the revolutionary Universal Milling Machine. It completely changed the machining landscape because it could mill complex parts with movement in three different axes. From that point, production took off. Since then, milling technology has developed at lightning speed in a […]

It's one thing to say milling machines can be used for a wide range of applications in various industries, including the power generation, oil and gas, and shipbuilding industries. But if you are not familiar with how a gantry, linear, 2-axis, and a 3-axis milling machine can be used, how would you know which machine is best for your application? […]