William

LILY Technical Team · 135 Articles

William is a mechanical engineer with 12 years of hands-on experience in mechanical transmission system design and bearing applications. He specializes in gear, shaft, and bearing selection, calculation, and configuration optimization, with deep expertise in the performance characteristics, service life calculation, and failure analysis of both rolling and plain bearings. With a strong background in machining processes — including turning, milling, grinding, and heat treatment — he understands the full cycle from design to manufacture. William applies GB and ISO standards rigorously in his work, and is dedicated to translating practical engineering experience into technical guides that help engineers and procurement professionals make better selection decisions.

All articles by William

9 min read

Worm Gears vs Bevel Gears: Selection Guide for Industrial Buyers

Worm gears vs bevel gears: compare shaft arrangement, ratio, backlash, and replacement risk to choose the right gear type for your application.

William

Jul 8, 2026

13 min read

How to Request a Quote for Custom Gears: OEM RFQ Checklist

custom gears gears

Avoid delays in custom gear quotes. This OEM RFQ checklist covers drawings, geometry, materials, and quality documents suppliers need.

William

Jul 8, 2026

14 min read

Inch vs Metric Gears: Guide for North American Buyers

Gear Selection Inch Gears Metric Gears

Choosing inch vs metric gears? Match the system to your equipment, drawings, and mating gears — don't rely on unit conversion alone.

William

Jul 8, 2026

8 min read

Linear Guide Installation: Step-by-Step Guide

Linear Guide Installation Linear Guide Mounting Methods Procedure of Block Installation Procedure of Rail Installation

Learn essential linear guide installation safety and handling tips for optimal performance. This guide covers preparation, precise mounting techniques, and post-installation care to prevent damage, ensure accuracy, and extend component lifespan.

William

Jul 6, 2026

6 min read

ABEC 5 vs. ABEC 7 Bearings: Which Precision Grade Do You Actually Need?

ABEC 5 ABEC 7 ABEC Bearings Bearing Precision Grades Bearing Tolerances

ABEC 5 vs ABEC 7: real tolerance data, speed factor guidelines, and a plain decision guide. Which precision grade does your application need?

William

Jul 2, 2026

15 min read

What Are Turntable Bearings? Types, Applications & How to Choose

Crossed Roller Bearings Lazy Susan Bearings Rolling Element Bearings Slewing Bearing Turntable Bearings

Ball-type, crossed roller, or slewing? Find out which turntable bearing fits your load, speed, and environment — with real-world application examples.

William

Jul 2, 2026

8 min read

Chrome Steel vs. Stainless Steel Bearings: Which Do You Need?

Best Bearings for Your Application Choosing the Right Bearing Material Chrome Steel vs. Stainless Steel Bearings Stainless vs Chrome Steel Bearing Comparison

Explore key differences in chrome steel vs stainless steel bearings to find the ideal choice for your needs.

William

Jul 2, 2026

13 min read

Custom Gear Manufacturer for OEM Buyers: RFQ, Design Review, and Quality Checklist

Custom Gear Manufacturer custom gear RFQ custom gears gears

Prepare a custom gear RFQ with drawings, gear type, module or DP, material, operating conditions, quantity, and quality documents for accurate quoting.

William

Jul 2, 2026

8 min read

Troubleshooting Common Issues with Turntable Bearings

Common Bearing Issues Common Turntable Bearing Issues Turntable Bearing Maintenance Turntable Bearings Troubleshooting

Learn how to troubleshoot common issues with Turntable Bearings, from rotation stiffness to unusual noises, ensuring smooth performance and longevity.

William

Jul 2, 2026