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Expert Precision Turning Services with Fast Turnaround Times

When production schedules demand flawless accuracy and rapid delivery, Sarkinen Calibrating delivers precision turning services that keep your operations moving forward. Our NIST-traceable calibration ensures every turned component meets exact specifications, eliminating costly rework and unexpected downtime. Whether you're producing high-tolerance shaft work, rotary components, or complex turned parts, our fast turnaround times and measurement accuracy to 1.0 parts per million guarantee your precision turning operations deliver consistent, reliable results every time.

CNC precision turning lathe machining metal component with cutting tool and coolant

Our Precision Turning Calibration Services

Comprehensive calibration solutions that ensure your turning operations deliver consistent accuracy, eliminate errors, and maintain production quality.

Rotary Axis Calibration

Verify angular positioning accuracy, repeatability, and alignment of rotary tables and turning centers using Renishaw's advanced calibration system. Identify mechanical wear, setup errors, and encoder issues before they impact your turned parts.

Linear Accuracy Verification

NIST-traceable laser interferometer measurements verify positioning accuracy, repeatability, straightness, and squareness across full axis travel to 1.0 part per million. Ensures your turning operations meet manufacturer specifications and maintain tight tolerances.

Machine Leveling Services

Electronic leveling detects pitch and roll errors in turning center beds, guideways, and structures. Corrects alignment issues from installation or foundation movement that affect turned part consistency and surface finish quality.

Ballbar Performance Testing

Quick evaluation of turning center health using Renishaw's QC20-W Ballbar. Identifies backlash, servo mismatch, axis reversal errors, and squareness problems that compromise circularity in turned components.

Surface Plate Calibration

Maintain accurate reference planes for inspection and setup of turned parts. Flatness verification and Moody Plot analysis ensure your measurement fixtures provide reliable quality control data.

Training Programs

Hands-on instruction for CNC turning machine operation, calibration system use, and understanding how machine geometry affects turned part quality. Tailored to your equipment and skill level.

Service Process

Our 5-Step Precision Turning Calibration Process

Initial Assessment and Equipment Analysis

We begin with a thorough evaluation of your turning center's current condition, reviewing maintenance history, recent production issues, and specific accuracy requirements. This assessment identifies which calibration tests will deliver the most value for your operation and helps establish baseline performance metrics before any measurements begin.

Comprehensive Measurement and Data Collection

Analysis and Problem Identification

Corrective Actions and Adjustments

Documentation and Ongoing Support

Proven Results

Success Stories

See how our precision calibration services have helped manufacturers eliminate downtime and maintain consistent turning accuracy.

"I have worked with Mr Sarkinen on a job in Portland He is a Highly Skilled, Knowledgable Professional. I would definitely recomend him for all your Machine Tool Calibration Metrics. Sincerely Curtis Page Naughtellis CNC Service"

fab c
fab c

"This guy knows his stuff. Would definately recommend! Friendly good people!"

Lucas Pukas
Lucas Pukas

"As plant manager at Triad, I am always looking for ways of testing and measuring the condition of our large machines. Our outside repair tech suggested that I have Sarkinen Calibrating run their Ball Bar Test on all of our machines to show if we had any critical wear issues..."

Mike Mills

"I have worked with Mr Sarkinen on a job in Portland He is a Highly Skilled, Knowledgable Professional. I would definitely recomend him for all your Machine Tool Calibration Metrics. Sincerely Curtis Page Naughtellis CNC Service"

fab c
fab c

"This guy knows his stuff. Would definately recommend! Friendly good people!"

Lucas Pukas
Lucas Pukas

"As plant manager at Triad, I am always looking for ways of testing and measuring the condition of our large machines. Our outside repair tech suggested that I have Sarkinen Calibrating run their Ball Bar Test on all of our machines to show if we had any critical wear issues..."

Mike Mills

"I have worked with Mr Sarkinen on a job in Portland He is a Highly Skilled, Knowledgable Professional. I would definitely recomend him for all your Machine Tool Calibration Metrics. Sincerely Curtis Page Naughtellis CNC Service"

fab c
fab c

"This guy knows his stuff. Would definately recommend! Friendly good people!"

Lucas Pukas
Lucas Pukas

"As plant manager at Triad, I am always looking for ways of testing and measuring the condition of our large machines. Our outside repair tech suggested that I have Sarkinen Calibrating run their Ball Bar Test on all of our machines to show if we had any critical wear issues..."

Mike Mills
The Sarkinen Difference

Why Choose Sarkinen Calibrating?

We bring machine operator experience and NIST-traceable precision to every calibration service.

Local Expertise

Serving Portland OR and SW Washington with faster response times than out-of-area providers, minimizing your production disruption.

Unmatched Accuracy

NIST-traceable measurements to 1.0 parts per million—accuracy that exceeds the required 10:1 calibration ratio.

Operator Perspective

Founded by a former machine operator who understands production realities, not just equipment specifications.

Comprehensive Solutions

Beyond calibration—we provide training, troubleshooting, and maintenance planning that keeps your turning operations running smoothly.

Meet the Founder

Experience you can trust, built from the shop floor up.

Larry

Founder

Larry didn't start behind a desk—he started on the shop floor as a machine operator, running the same equipment his customers rely on today. That hands-on experience taught him that calibration isn't just about equipment maintenance; it's about understanding how machines actually perform under production pressure and what it takes to keep them running accurately day after day. When Larry founded Sarkinen Calibrating, he brought that operator's perspective to every service call. He knows what it's like to face tight tolerances, demanding schedules, and the pressure of keeping production moving. That's why Sarkinen Calibrating doesn't just measure machines—the company provides real solutions that increase production quality, improve efficiency, and eliminate the unexpected downtime that disrupts operations. Larry built this business on the principle that great calibration service comes from truly understanding the customer's operation, not just reading specifications off a manual.

Service Areas We Cover

Providing fast-response calibration services throughout the Pacific Northwest with local expertise you can count on.

Portland & SW WA

Primary Service Area

Out-of-Area Available

Service Coverage

5.0 Stars

Customer Rating

Do We Service Your Turning Operations?

Contact us to confirm service availability and schedule your calibration with faster response times than national providers.

Certified & Traceable

Awards and Recognition

NIST traceability certification logo

NIST Traceable Measurements

All calibrations fully traceable to national standards

Five star customer rating badge

5-Star Customer Rating

Consistently rated excellent by local manufacturers

Renishaw calibration system certification

Renishaw Certified Systems

Using industry-leading calibration technology and methods

Get Your Precision Turning Calibration Scheduled Today

Contact us for fast-response calibration services that minimize downtime and maximize your turning center accuracy. We'll discuss your specific needs and schedule service at your convenience.

Contact Us Today

For immediate assistance, feel free to give us a direct call at (360) 907-3058 You can also send us a quick email at