旋盤上の金属シャフトをダイヤルゲージで測定する精密検査の様子
64チタン

What is 64 Titanium (Ti-6Al-4V)? Differences from Pure Titanium and the Mechanism of its Strength

What do the "6" and "4" in "6-4 titanium" mean? We'll clarify the differences from pure titanium, alpha and beta phases, how strength is achieved, and what to check when selecting it as a component.
車内からまっすぐ続く道路とステアリングを見た直進安定性の記事イメージ
LANDMASTERコラム再編集

Why Won't My Car Go Straight? Tire and Suspension Inspection Order to Improve Straight-Line Stability

If your car isn't driving straight, the steering wheel is pulling, or it's swaying, we'll outline the order in which to check tire pressure, uneven wear, wheel balance, alignment, and suspension, t...
LANDMASTER 64チタン アクスルシャフト
64チタン

Why is Titanium "Light and Strong"? A Numerical Explanation of its Differences from Iron and Aluminum

Titanium is light and strong. While this is a common saying, it is not lighter than aluminum, nor is it always harder than iron. We will explain why it is still used in machine parts by examining i...
ノッキングとは?エンジンで起こる異常燃焼の原因・症状・対策を解説の記事アイキャッチ画像
エンジン

What is Engine Knocking? Causes, Symptoms, and Countermeasures for Abnormal Combustion

Knocking is a type of abnormal combustion that occurs in gasoline engines. It's important not to rely solely on metallic sounds for diagnosis, but to also check related factors such as octane ratin...
車の乗り心地が悪い原因と改善方法|タイヤ・シート・足回りの確認順の記事アイキャッチ画像
LANDMASTERコラム再編集

Poor Car Ride Comfort: Causes and Improvements | Check Tires, Seats and Suspension

Separate harsh impacts, lingering bounce, vibration and uncomfortable posture when assessing ride comfort. This guide explains the order for checking tire pressure, tires, seating position and susp...
燃費向上グッズを選ぶ前に|効果の確かめ方と無駄にしない選び方の記事アイキャッチ画像
LANDMASTERコラム再編集

Before Buying Fuel-Economy Products | How to Check Results and Avoid Wasted Spending

Before buying a fuel-economy product, decide what it is intended to change and how you will assess the result. This guide covers the roles of tires, fuel additives and oil additives, consistent com...
ゲルホーン 軽油用 技術資料|過去のディーゼル試験・物流現場報告の記事アイキャッチ画像
GERHON

GERHON Diesel Technical Records | Historical Engine Tests and Logistics Field Reports

Historical GERHON records include a 1983 diesel-engine performance test at the construction mechanization research institute and a 1996 logistics field report. Laboratory data and real-world record...
ゲルホーン ガソリン用 技術資料|過去の燃費・排出成分・使用油分析の記事アイキャッチ画像
GERHON

GERHON Gasoline Technical Records | Historical Fuel Economy, Emissions and Used-Oil Analysis

Historical GERHON records include 1985 Japanese 10-mode tests on the same gasoline vehicle and a separate 1993 used-oil analysis. This report presents fuel economy, CO, HC and CO2 trends and oil sa...
バッテリーレストアPro 実証試験・活用報告書|130F51の電圧変化と日常メンテナンスの記事アイキャッチ画像
Battery Restore PRO

Battery Restore PRO Test and Application Report | 130F51 Voltage Changes and Routine Maintenance

On June 19, 2026, voltage changes were recorded in two 130F51 lead-acid batteries scheduled for disposal after topping up with the standard formulation corresponding to Battery Restore PRO and rapi...