CNC Machining

CNC machining of PVDF (polyvinylidene fluoride) presents unique challenges stemming from its exceptional material properties. Its high chemical resistance and inertness—key advantages for chemical processing applications—make it highly abrasive, accelerating tool wear and reducing tool life compared to softer plastics. PVDF’s combination of mechanical strength and toughness causes it to deform under cutting forces, leading […]

CNC machining of LDPE (low-density polyethylene) comes with unique challenges rooted in its material properties. Its high flexibility and elasticity cause it to deform under cutting forces, leading to poor dimensional accuracy and burring if machining parameters are not optimized. LDPE’s low melting point (105-115°C) makes it prone to melting at the cutting edge, resulting

CNC machining of Bakelite, a pioneering thermosetting plastic, presents unique challenges that manufacturers often face. Its hard, brittle nature makes it prone to chipping and cracking during milling or drilling, especially when using improper tool geometry or aggressive machining parameters. Bakelite’s high mechanical strength and low toughness cause it to shatter under sudden cutting forces,

CNC machining of PS (polystyrene) comes with unique challenges that manufacturers often encounter. Its inherent brittleness makes it prone to cracking and chipping under cutting forces, especially when using improper tool selection or aggressive cutting parameters. PS has low impact resistance compared to other thermoplastics, increasing the risk of workpiece damage during handling and machining.

CNC machining of UHMWPE (ultra-high molecular weight polyethylene) comes with unique challenges that manufacturers often face. Its low coefficient of friction—a key advantage for applications like bearings—makes it prone to slipping during machining, even with secure vacuum fixtures. UHMWPE’s high toughness and elasticity cause it to deform under cutting forces, leading to burring and poor

CNC machining of G10/FR4 (glass-reinforced epoxy) presents unique challenges that manufacturers often encounter. Its composition—layers of glass fabric bonded with epoxy resin—makes it highly abrasive, causing rapid tool wear without specialized tool selection. The material’s layered structure also leads to uneven cutting forces, increasing the risk of surface defects like fiber pull-out or delamination, especially

CNC machining of fireproof ABS (flame-retardant acrylonitrile butadiene styrene) comes with unique challenges. The addition of flame-retardant additives—key to achieving a UL94 V0 rating—enhances fire safety but creates a heterogeneous material structure. This leads to inconsistent machining behavior: ABS’s rubbery butadiene phase tends to produce burrs, while flame-retardant particles increase abrasiveness, accelerating tool wear. Fireproof

CNC machining of fireproof PC (flame-retardant polycarbonate) comes with unique challenges that manufacturers often face. The addition of flame-retardant additives—critical for achieving a UL94 V0 rating—enhances its fire resistance but also makes the material more abrasive, leading to accelerated tool wear compared to standard PC. Additionally, these additives can create a heterogeneous structure, causing uneven

CNC machining of PC/ABS (a blend of polycarbonate (PC) and acrylonitrile butadiene styrene (ABS)) comes with unique challenges. Its dual nature—combining PC’s rigidity with ABS’s flexibility—creates inconsistent machining behavior, leading to issues like burring on ABS-rich areas and chipping on PC-dominated sections. Additionally, PC/ABS has moderate thermal conductivity, causing heat to accumulate during machining and

CNC machining of PEEK GF30 (30% glass fiber reinforced PEEK) presents unique challenges that manufacturers often face. The addition of glass fibers enhances its mechanical strength and high rigidity but also makes it highly abrasive, leading to rapid tool wear without specialized tool selection. Additionally, the heterogeneous structure (polymer matrix with glass fibers) causes uneven

CNC machining of PEEK (Polyetheretherketone) presents unique challenges that manufacturers often encounter. Its exceptional high-temperature resistance (withstanding up to 260°C) and impressive mechanical strength make it ideal for extreme environments, but these properties also make it highly abrasive, leading to rapid tool wear without proper tool selection. Additionally, PEEK’s low thermal conductivity causes heat to

CNC machining of PTFE (Teflon) comes with unique challenges that manufacturers often face. Its non-stick properties and low friction coefficient make it prone to slipping during machining, making secure machine setup difficult. Additionally, PTFE’s low mechanical strength and tendency to deform under cutting forces can compromise dimensional measurement and tolerance control. While its chemical inertness

CNC machining of PI (Polyimide) presents unique challenges that manufacturers often grapple with. Its exceptional thermal stability (withstanding temperatures up to 300°C) and high material hardness make it ideal for extreme environments, but these properties also make it highly abrasive—leading to rapid tool wear if not paired with specialized cutting tools. Additionally, PI’s low machinability

CNC machining of TPU (Thermoplastic Polyurethane) comes with unique challenges that manufacturers often face. Its high elasticity and flexibility mean the material can stretch or rebound during cutting, making it difficult to maintain precise dimensions. Additionally, TPU’s tendency to stick to cutting tools—especially at elevated temperatures—leads to poor surface finish and increased tool wear. Balancing

CNC machining of TPE (Thermoplastic Elastomer) presents unique challenges that manufacturers often struggle with. Its high flexibility and elasticity mean the material can stretch or deform under cutting forces, making it difficult to maintain dimensional accuracy and tight tolerance levels. Additionally, TPE’s tendency to gum up cutting tools—especially at high temperatures—can lead to poor surface

CNC machining of HDPE (High-Density Polyethylene) comes with unique challenges that manufacturers often face. Its low material hardness and tendency to deflect under cutting forces make achieving tight tolerance levels difficult. Additionally, HDPE’s thermal properties—it softens at around 120°C—mean heat buildup during machining can cause surface defects or dimensional inaccuracies. While it has good machinability,

CNC machining of Polyvinyl Chloride (PVC) comes with its own set of challenges that manufacturers often encounter. Its relatively low melting point (around 100-260°C depending on the type) makes it prone to heat-induced deformation, especially during high-speed machining operations. Additionally, PVC produces fine dust when cut, which not only poses health risks but can also

CNC machining of PEI (Ultem), or Polyetherimide, presents unique challenges that manufacturers often face. Its exceptional thermal resistance and high tensile strength make it ideal for extreme environments, but these properties also make it highly abrasive, leading to rapid tool wear if not paired with proper cutting tools. Additionally, PEI’s low thermal conductivity causes heat

CNC machining of Polyphenylene sulfide (PPS) comes with unique challenges that manufacturers often struggle with. PPS’s exceptional mechanical strength and high thermal stability make it ideal for demanding applications, but these properties also make it highly abrasive—leading to rapid tool wear if not addressed with specialized tooling. Additionally, its low machinability compared to other plastics

CNC machining of Polyethylene terephthalate (PET) presents distinct challenges that manufacturers often encounter. Its high thermal stability is a benefit, but it also means PET can withstand less heat before melting (250-260°C) compared to other plastics, leading to tool gumming and surface defects if cutting parameters are not precise. Additionally, PET’s optical clarity demands flawless

CNC machining of PBT (Polybutylene Terephthalate) comes with unique challenges that manufacturers often grapple with. Glass-filled PBT, in particular, is highly abrasive due to its glass fibers, leading to rapid tool wear if not addressed with proper tooling. Additionally, PBT’s moderate tensile strength and flexural modulus require careful clamping to avoid workpiece deformation, while its

CNC machining of Polyethylene (PE) comes with its own set of challenges that manufacturers often find tricky to navigate. Its low hardness and high flexibility can cause the workpiece to shift or deform during machining, making it hard to maintain consistent dimensional accuracy. Additionally, PE has a relatively low melting point (105-130°C for LDPE, 120-130°C