Material

CNC Parts for Automation: Mastering Material Selection and Precision Requirements

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The automation industry operates on a simple principle: consistency is king. From high-speed packaging lines to precision assembly robots, every component must perform reliably through millions of cycles with near-zero failure rates. This relentless demand for reliability makes CNC machining the manufacturing method of choice for critical automation components. However, not all CNC parts are created equal. […]

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How to Machine Acrylic: A Guide to Preventing Stress Whitening and Chipping for Flawless Parts

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Acrylic (PMMA) is a marvel of modern manufacturing. Its crystal-clear transparency, excellent weather resistance, and good strength make it a top choice for a vast range of applications. From custom LED light guides and precision optical lenses to durable nameplates and badges and architectural display prototypes, acrylic delivers a stunning visual finish. However, its beauty is also its machining challenge. Anyone who

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Why 304 and 316 Stainless Steel are the Champions of Medical Device Machining

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Walk into any operating room or open any sterile medical kit, and you’ll find a world built on precision, reliability, and safety. A critical, yet often unseen, foundation of this world is the material from which many components are made: stainless steel. Specifically, grades 304 and 316 stainless steel are the undisputed champions of the medical device

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6061 vs. 7075 Aluminum: The CNC Machinist’s Guide to Selecting the Right Alloy

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When it comes to CNC machining aluminum, two alloy numbers dominate the conversation: 6061 and 7075. Walk into any machine shop, and you’ll find these two workhorses powering everything from prototype components to end-use products. But why are they so popular, and how do you choose between them? Selecting the wrong material can lead to part

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Preventing Stress Corrosion Cracking in Stainless Steel Machining: A Practical Guide

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If you’ve ever seen a network of fine, brittle cracks snaking across an otherwise sound stainless steel component, you’ve likely encountered the insidious failure known as Stress Corrosion Cracking (SCC). This stealthy problem can scrap expensive parts, cause unexpected downtime, and compromise the integrity of critical assemblies. For machinists and engineers, understanding and preventing SCC isn’t

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Bakelite vs. Polyurethane for Jigs and Fixtures: Unleashing the Power of Non-Metals

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Introduction In the world of manufacturing and precision machining, jigs and fixtures are the unsung heroes that guarantee repeatability, accuracy, and efficiency. While metals like aluminum and steel are common choices, a silent revolution is underway with non-metallic materials. Among them, two stand out for their unique and often irreplaceable properties: Bakelite (Phenolic) and Polyurethane. Choosing

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304 vs 316 vs 316L Stainless Steel: A CNC Machinist’s Guide to Selection

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Introduction In the precision world of CNC machining, material selection isn’t just a first step—it’s the most critical decision determining the success, longevity, and cost-effectiveness of your component. Among the vast array of available metals, the austenitic stainless steel family, particularly grades 304, 316, and 316L, stands out for its exceptional blend of strength, corrosion resistance,

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Beyond the Basics: A Practical Guide to Bakelite, Polyurethane, Acrylic, and POM

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Selecting the right engineering plastic is a cornerstone of successful product design. While materials like ABS and Polycarbonate are well-known, many projects require a more specialized solution. This guide delves into four distinct workhorse materials: Bakelite, Polyurethane, Acrylic, and POM. At LENCHOR, we provide precision CNC machining and custom injection molding services for a vast array of plastics. Understanding

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CNC Material Selection Guide: Aluminum vs. Copper vs. Stainless Steel vs. Plastics

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IntroductionThe foundation of any successful CNC machined part is the material from which it’s made. Selecting the right material is a critical decision that impacts not just the component’s performance, but also its manufacturability, weight, durability, and ultimately, its cost. At Lenchor, we work with a wide range of certified materials, from common alloys like

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