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This document provides a comprehensive overview of essential function codes used in CNC (Computer Numerical Control) programming. These codes, including F, S, T, and M, control critical aspects of the machining process such as feed rates, spindle speeds, tool selection, and auxiliary functions. F Function: Feed Rate Control The F code is used to command […]
To what degree of precision can a thread be classified as a fine thread? We may define it as follows: coarse threads can be regarded as standard threads, while fine threads are defined in relation to coarse threads. For the same nominal diameter, the number of threads per inch varies, meaning the pitch differs. Coarse […]
During the machining process, vibration and tool chatter are common issues. These problems lead to chatter marks on the workpiece surface, as well as increased rework and scrap rates. Today, saimotools has compiled 12 methods to reduce cutting vibrations in CNC milling machines. 01 Use Sharp Inserts to Reduce Cutting Force Indexable inserts are divided […]
1. Drilling Drilling is the first process for creating holes in solid materials, with the drilled hole diameter typically less than 80mm. There are two drilling methods: One involves the drill bit rotating while the workpiece remains stationary. The other involves the workpiece rotating while the drill bit remains stationary. The errors caused by these […]
In manufacturing, milling and drilling processes are foundational for shaping workpieces into precise components, each tailored to specific surface, cavity, or contour requirements. From creating flat surfaces to machining complex 3D shapes, the right process selection directly impacts efficiency, precision, and tool life. Below is a detailed breakdown of seven key milling and drilling processes, […]
The choice between 2-flute and 4-flute end mills is a critical decision in CNC machining, influencing performance, efficiency, and part quality. While both tools share the fundamental purpose of material removal, their design differences lead to distinct behaviors across cutting forces, chip evacuation, surface finish, and tool life. This article explores these disparities with a […]
Forget the tired "one is rough, one is finish" trope. The face mill vs. fly cutter debate is a deeper clash of engineering philosophies, vibrational warfare, and the subtle art of metal displacement. Let's dissect these titans with fresh eyes. The Core Duality: Orchestra vs. Soloist Face Mill: The Precision Battalion Imagine a synchronized unit. […]
While many factors affect machining outcomes, the helix angle of milling cutters remains a frequently underestimated parameter. Defined as the angle between the tool centerline and a tangent line to the cutting edge, this critical feature directly impacts: Chip evacuation efficiency Surface finish quality Tool lifespan Machining cycle time Helix Angle Classification Low Helix Angles (<40°) […]
Taps are essential cutting tools used to create internal threads in holes. The choice of material—alloy steel or carbon steel—significantly impacts performance, durability, and application suitability. This article compares these two materials in terms of composition, mechanical properties, and practical applications. 1. Material Composition Carbon Steel Taps Primarily composed of iron (Fe) and carbon (C), […]
Pre-Grinding Inspection of the Grinding Wheel Before starting the sharpening process, it is crucial to inspect the grinding wheel. If any of the following conditions are detected—wheel runout, irregular cylindrical surface, or excessively large radius on the edges—correction is necessary. This can be achieved using a grinding wheel dresser (such as a diamond dresser or […]
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