CNC Milling
Precision 3-, 4-, and 5-axis CNC milling for complex optical system components and mounts, delivering tight tolerances and consistent repeatability critical to photonics assemblies.
Massachusetts' photonics and optics industry demands components machined to tolerances measured in ten-thousandths of an inch. Criterion Precision Machining delivers Swiss turning, CNC turning, and 5-axis milling for lens housings, optical mounts, and system components—backed by ISO 9001 certification and a 70-year legacy of zero-compromise precision for the region's leading photonics manufacturers.
From lens housings to optical mounts, we deliver the full spectrum of precision machining capabilities for photonics applications.
Precision 3-, 4-, and 5-axis CNC milling for complex optical system components and mounts, delivering tight tolerances and consistent repeatability critical to photonics assemblies.
High-precision CNC turning for cylindrical photonics components such as lens barrels and housings, achieving tolerances down to ±.0002" with smooth, optically compatible surface finishes.
Specialized Swiss turning for small-diameter, high-complexity photonics parts including micro-optical mounts and precision ferrules, with diameters as small as .010" and multi-axis capability.
Production-intent prototyping for optical system components, lens housings, and mounts—built on the same machines as final production runs to validate fit, function, and manufacturability.
Certified quality assurance with CMM measurement, OASIS optical inspection, and Keyence multi-dimension systems ensuring every photonics component meets your most demanding specifications.
In-house secondary operations and precision surface finishing for photonics parts, ensuring dimensional integrity and surface quality required for sensitive optical assemblies.
Massachusetts is home to a dense cluster of photonics innovators, and their components leave no room for error. Criterion Precision Machining produces lens housings, optical mounts, and system components to tolerances as tight as ±.0002", using Swiss turning, multi-axis CNC milling, and advanced CMM inspection. Backed by ISO 9001 and ISO 13485 certifications and over 70 years of machining heritage, we are the precision partner your optical programs demand.
See how Massachusetts photonics and optics manufacturers rely on Criterion for mission-critical precision components.
We bring unmatched technical depth and certified quality systems to every photonics machining challenge.
We hold tolerances down to ±.0002", meeting the exacting demands of Massachusetts photonics and optics manufacturers.
ISO 9001 and ISO 13485 certifications, plus FDA and ITAR registration, ensure compliance for regulated photonics programs.
Founded in 1953, Criterion has machined critical components across three generations—precision is in our DNA.
Our OASIS optical system and Global Advantage CMM provide multi-dimensional verification for every photonics part we ship.
Dedicated precision machining experts committed to zero-defect photonics components.
President
As the third-generation owner of Criterion Precision Machining, Tanya DiSalvo leads the company with a deep commitment to quality, innovation, and the mission-critical industries the company serves—including photonics and optics. Under her leadership, Criterion has expanded its advanced machining capabilities, achieved ISO 9001 and ISO 13485 certifications, and earned WBENC recognition as a certified woman-owned business. Tanya's vision drives a culture where every precision component—whether a lens housing for a Massachusetts photonics firm or an implantable medical device part—is held to the same uncompromising standard: no failure, ever. Her strategic guidance ensures Criterion remains at the forefront of precision machining technology and customer service.
Estimator / Project Manager
Mike Pinchot serves as Criterion's Estimator and Project Manager, acting as the critical link between customer requirements and the shop floor. For photonics clients across Massachusetts and beyond, Mike translates complex optical component drawings into precise manufacturing plans, accurate cost estimates, and reliable delivery schedules. His hands-on familiarity with Swiss turning, CNC turning, and 5-axis milling capabilities allows him to propose the most efficient machining approach for each unique part geometry. Mike ensures that every photonics project—from prototype runs to full production—is planned with the rigor and foresight that mission-critical optical applications require, keeping programs on time and on specification from first article through final shipment.
Quality Manager
Kelly Marflak is the backbone of Criterion's quality assurance program, overseeing the inspection systems and documentation processes that guarantee every photonics component leaves the facility to specification. She manages the company's ISO 9001 and ISO 13485 compliance programs and directs the use of the Global Advantage CMM, OASIS Optical Inspection System, and Keyence multi-dimension measurement platforms. For photonics customers in Massachusetts requiring Certificates of Conformance and comprehensive inspection reports—provided at no charge—Kelly ensures every document is accurate, complete, and audit-ready. Her meticulous approach to quality reinforces Criterion's reputation as a no-failure machining partner for the most demanding optical and photonics programs.
What types of photonics components does Criterion Precision Machining produce?
Criterion produces a wide range of photonics and optical components including lens housings, lens mounts, optical system components, ferrules, and precision barrels. We machine parts to tolerances as tight as ±.0002" using CNC milling, CNC turning, and Swiss turning.
What tolerances can you hold for photonics machining?
What materials do you work with for photonics components?
Do you offer prototyping services for photonics programs?
What certifications does Criterion hold that are relevant to photonics clients?
What inspection capabilities do you have for photonics components?
Do you serve photonics customers located in Massachusetts?
How long has Criterion been machining photonics components?
Speak directly with our team for a free consultation and project assessment.
Internationally recognized quality management system certification.
Medical device quality management certification ensuring regulatory compliance.
Women's Business Enterprise National Council certified woman-owned business.
Share your component drawings and specifications with our team. We'll review your requirements and provide a detailed, no-obligation quote tailored to your photonics program.
For immediate assistance, feel free to give us a direct call at 216-267-1733 You can also send us a quick email at office@criteriontool.com
For immediate assistance, feel free to give us a direct call at 216-267-1733 You can also send us a quick email at office@criteriontool.com