{"id":2100,"date":"2026-07-23T00:29:32","date_gmt":"2026-07-23T00:29:32","guid":{"rendered":"https:\/\/gearrack.top\/product\/gear-rack-for-machine-tool-industry-cnc-milling-grinding-oem-supply\/"},"modified":"2026-07-23T00:30:03","modified_gmt":"2026-07-23T00:30:03","slug":"gear-rack-for-machine-tool-industry-cnc-milling-grinding-oem-supply","status":"publish","type":"product","link":"https:\/\/gearrack.top\/it\/product\/gear-rack-for-machine-tool-industry-cnc-milling-grinding-oem-supply\/","title":{"rendered":"Gear Rack for Machine Tool Industry | CNC, Milling, Grinding, OEM Supply"},"content":{"rendered":"
\n

Gear Rack for Machine Tool Industry \u2014 Product Overview<\/h2>\n

\"gear<\/p>\n

Ever-Power gear racks for the machine tool industry<\/a><\/strong> are the precision linear drive components that convert motor rotation into the controlled, repeatable axis travel demanded by modern metalcutting equipment. In the machine tool context, the gear rack serves as the equivalent of a very long, very accurate lead screw \u2014 with no length limit, no critical speed constraint, and the ability to carry the full cutting force directly at the tooth mesh rather than through the tortional compliance of a rotating shaft.<\/p>\n

The machine tool industry places unique demands on rack and pinion drives. Cutting forces during heavy roughing passes impose shock and vibration on the axis drive system. High-speed finishing passes require the drive to maintain path accuracy while traversing at 60 m\/min or above. Thermal expansion of the machine base must be accommodated by the rack mounting without introducing pitch error at the joints. Chips, coolant, and cutting oil are omnipresent and must not penetrate the rack-pinion mesh. Ever-Power machine tool racks address all these requirements through material selection, precision tooth geometry, and robust surface treatment specified for the application.<\/p>\n

Key Advantages for Machine Tool Applications<\/h2>\n
\n
\n

🎯 Precise Linear Motion<\/h3>\n

DIN6-8 milled racks deliver 0.02-0.05 mm pitch accuracy; DIN5-6 ground racks deliver below 0.01 mm. In a closed-loop servo system with encoder feedback, the ground rack allows the controller to achieve and maintain positioning repeatability below 0.005 mm \u2014 the level required for precision contouring and tight-tolerance hole placement on aerospace and medical parts.<\/p>\n<\/div>\n

\n

💪 High Load Capacity<\/h3>\n

Machine tool axes must resist the full cutting force applied perpendicular to the direction of travel during heavy-duty operations. Ever-Power machine tool racks in 42CrMo with induction-hardened tooth flanks at HRC 50-55, or in 20CrMnTi carburized at HRC 58-62, provide tooth root bending strength sufficient for the peak cutting forces encountered in roughing passes on cast iron and hardened steel.<\/p>\n<\/div>\n

\n

⚡ Efficient Power Transmission<\/h3>\n

Direct tooth engagement gives mechanical efficiency above 95%. In a machine tool drive, this means the servo motor can be specified for the actual cutting power plus a modest friction allowance \u2014 there is no large worm-gear efficiency loss to account for. The lower thermal dissipation in the drive train reduces thermal growth of the axis structure that would otherwise cause drift in thermal equilibrium.<\/p>\n<\/div>\n

\n

∞ Unlimited Stroke Length<\/h3>\n

For large-format machine tools \u2014 planer mills, portal milling machines, and transfer lines \u2014 with table travel exceeding 6 m, a ball screw becomes impractical due to critical speed and deflection. Rack sections are simply butted end-to-end with precision half-tooth joints, giving unlimited table travel at the same pitch accuracy throughout.<\/p>\n<\/div>\n

\n

🔥 Low Backlash<\/h3>\n

Ground racks with close DIN5-6 tolerance pinions and accurate centre distance control minimise backlash at zero hardware cost. For applications requiring near-zero backlash, a twin-pinion preload arrangement provides the stiffest, most accurate linear drive achievable with rack and pinion technology.<\/p>\n<\/div>\n

\n

📈 Cost-Effectiveness<\/h3>\n

At table travels above 2 m, a rack and pinion drive costs significantly less than a ball screw and nut system of equivalent accuracy class. The savings increase with travel length and are compounded by the lower risk of screw whip at high traverse rates that would require additional screw support bearings in a ball-screw design.<\/p>\n<\/div>\n<\/div>\n

Applications by Machine Type<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n
Machine Type<\/th>\nRack Function<\/th>\nRecommended Spec<\/th>\n<\/tr>\n<\/thead>\n
CNC Machining Centre<\/strong><\/td>\nX and Y table travel axes; precise positioning of workpiece under cutting tool<\/td>\nM3-M6, 20CrMnTi carburized, DIN5-6 ground helical<\/td>\n<\/tr>\n
Milling Machine<\/strong><\/td>\nTable traverse in X and Y; linear motion along workpiece for face milling and profiling<\/td>\nM4-M8, 42CrMo induction hardened, DIN7 milled or DIN6 ground<\/td>\n<\/tr>\n
Lathe (CNC)<\/strong><\/td>\nZ-axis carriage travel for turning and threading operations<\/td>\nM3-M5, 42CrMo, DIN7-8 milled spur<\/td>\n<\/tr>\n
Drilling Machine<\/strong><\/td>\nVertical Z-axis motion of drilling head; table traverse for hole pattern positioning<\/td>\nM4-M6, 42CrMo, DIN8 milled spur<\/td>\n<\/tr>\n
Grinding Machine<\/strong><\/td>\nWorkpiece table reciprocation; grinding wheel cross-slide positioning<\/td>\nM2-M4, 20CrMnTi, DIN5-6 ground \u2014 lowest vibration critical<\/td>\n<\/tr>\n
Planer Mill \/ Portal Machine<\/strong><\/td>\nLong table travel exceeding 6 m; heavy workpiece transport under large milling heads<\/td>\nM8-M12, 42CrMo, DIN7 milled or DIN6 ground; twin-pinion preload<\/td>\n<\/tr>\n
Flame \/ Plasma Cutter<\/strong><\/td>\nGantry traverse in X and Y at high speed; path accuracy drives part dimensional tolerance<\/td>\nM4-M6, 42CrMo, DIN6-7 helical for high-speed smooth traverse<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Specifiche tecniche<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nRange \/ Options<\/th>\n<\/tr>\n<\/thead>\n
Modulo<\/strong><\/td>\nM1 through M32; M3-M12 most common for machine tool axes<\/td>\n<\/tr>\n
Tooth Profile<\/strong><\/td>\nSpur (standard for moderate-speed); helical (for high-speed servo axes above 3 m\/s)<\/td>\n<\/tr>\n
Grado di precisione<\/strong><\/td>\nDIN8, DIN7 (milled); DIN6, DIN5 (profile ground)<\/td>\n<\/tr>\n
Materiale<\/strong><\/td>\n42CrMo alloy steel; 20CrMnTi case-hardening steel; C45 for lower-duty applications<\/td>\n<\/tr>\n
Heat Treatment<\/strong><\/td>\nInduction hardening (HRC 50-55 flank); carburising and quenching (HRC 58-62 flank)<\/td>\n<\/tr>\n
Trattamento superficiale<\/strong><\/td>\nPhosphating plus oil; zinc plating; as-machined for ground racks<\/td>\n<\/tr>\n
Section Length<\/strong><\/td>\nUp to 2,000 mm (milled); 1,000 mm standard (ground); half-tooth ends for joints<\/td>\n<\/tr>\n
Standards<\/strong><\/td>\nDIN 867, JIS B 1702, AGMA 2000, GB\/T; ISO 9001:2015<\/td>\n<\/tr>\n
Documentation<\/strong><\/td>\nMaterial certificate, heat treatment record, hardness report; CMM printout for ground racks<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Installation and Maintenance<\/h2>\n
\n
\n

Installation<\/h3>\n

Position the rack on a clean, precision-scraped or ground mounting surface. Align the rack parallel to the machine axis guideway within 0.01 mm over the full travel. Verify centre distance between rack and pinion with a dial gauge at multiple points. Tighten fasteners in the recommended sequence from mid-rack outward; torque to specification. Test-run the axis at slow speed before commissioning at full feed rate.<\/p>\n<\/div>\n

\n

Lubrication<\/h3>\n

ISO VG 68 way oil via automatic lubrication injector (0.1-0.2 ml per cycle) is standard for machine tool rack drives. This keeps tooth flanks lubricated without excess oil contaminating the workpiece or guide surfaces. Avoid grease \u2014 it traps chips and cutting fluid residue, accelerating abrasive wear on precision flanks.<\/p>\n<\/div>\n

\n

Maintenance and Inspection<\/h3>\n

Inspect rack tooth flanks for wear at each scheduled machine service. Any surface pitting or polishing away of the ground finish indicates the start of fatigue damage. Check axis positioning accuracy by cutting a test piece at each maintenance interval \u2014 a trend toward increasing positioning error before wear is visible by eye warns of impending rack replacement need.<\/p>\n<\/div>\n<\/div>\n

Manufacturing Process<\/h2>\n
\n
\"step<\/p>\n

Step 1 \u2014 Raw Material<\/p>\n

Raw material bar stock verified by spectrochemical analysis before production.<\/p>\n<\/div>\n

\"step<\/p>\n

Step 2 \u2014 Tooth Cutting<\/p>\n

Teeth cut on CNC rack milling or hobbing machine to specified module and pressure angle.<\/p>\n<\/div>\n

\"step<\/p>\n

Step 3 \u2014 Deburring<\/p>\n

Tooth-end burrs removed and edges chamfered to prevent handling damage and sharp corners.<\/p>\n<\/div>\n

\"step<\/p>\n

Step 4 \u2014 Straightening \/ HT<\/p>\n

Pressure straightening after tooth cutting; induction hardening or carburising where specified.<\/p>\n<\/div>\n

\"step<\/p>\n

Step 5 \u2014 End Machining<\/p>\n

End faces and mounting holes machined in CNC machining centre to drawing specification.<\/p>\n<\/div>\n

\"step<\/p>\n

Step 6 \u2014 Surface Treatment<\/p>\n

Black oxide, zinc plating, phosphating, or hard chrome applied per customer specification.<\/p>\n<\/div>\n<\/div>\n

Key Production Equipment<\/h3>\n
\n
\"gear<\/p>\n

Gear Hobbing Machine<\/p>\n<\/div>\n

\"gear<\/p>\n

Gear Milling Machine<\/p>\n<\/div>\n

\"cnc<\/p>\n

CNC Gear Grinding Machine<\/p>\n<\/div>\n

\"gantry<\/p>\n

Gantry CNC Machining Centre<\/p>\n<\/div>\n

\"internal<\/p>\n

Internal Grinding Machine<\/p>\n<\/div>\n

\"planer<\/p>\n

Planer Grinding and Turning<\/p>\n<\/div>\n<\/div>\n

Applications by Industry<\/h2>\n
\n
\"gear<\/p>\n
Wind Power<\/div>\n<\/div>\n
\"gear<\/p>\n
Metallurgy<\/div>\n<\/div>\n
\"gear<\/p>\n
Mining<\/div>\n<\/div>\n
\"gear<\/p>\n
Construction<\/div>\n<\/div>\n
\"gear<\/p>\n
Shipping and Marine<\/div>\n<\/div>\n
\"gear<\/p>\n
Petrochemical<\/div>\n<\/div>\n
\"gear<\/p>\n
Lifting and Transport<\/div>\n<\/div>\n
\"gear<\/p>\n
Power Generation<\/div>\n<\/div>\n<\/div>\n

Quality Assurance and Manufacturing<\/h2>\n
\n
\"Ever-Power<\/div>\n
\"Ever-Power<\/div>\n<\/div>\n
\n
\"precision<\/p>\n

Precision Measurement Equipment<\/p>\n<\/div>\n

\"Ever-Power<\/p>\n

ISO 9001:2015 and Quality Certificates<\/p>\n<\/div>\n<\/div>\n

\"Ever-Power<\/p>\n

\n
\"precision<\/div>\n<\/div>\n

Ever-Power is a specialist gear rack manufacturer supplying the machine tool industry for over 20 years. ISO 9001:2015 quality management covers incoming material verification, in-process tooth-cutting and heat treatment monitoring, and outgoing dimensional and hardness inspection. Machine tool racks for OEM machine builders ship with the full documentation package required for machine tool CE declaration of conformity \u2014 material certificate, heat treatment record, hardness report, and dimensional inspection data. Ground racks additionally include a CMM pitch deviation printout per section.<\/p>\n

Browse the full range: all gear racks<\/a>, spur gears<\/a>, helical gears<\/a>, bevel gears<\/a>, planetary gear sets<\/a>, worm gear wheels<\/a>, ring gears<\/a>, and plastic gears<\/a> on the Ever-Power main site<\/a>.<\/p>\n

Related Gear Products<\/h2>\n

Ever-Power manufactures the complete range of industrial gear types alongside gear racks. If your drive system requires matched pinions, reduction gears, or associated gear types, the following product families are available from the same source.<\/p>\n

\n
\n \"spur<\/p>\n

Ingranaggi cilindrici<\/h3>\n

Pinion gears matching our spur gear rack range; standard modules m0.5 to m20.<\/p>\n

View Products<\/a>\n<\/div>\n

\n \"ring<\/p>\n

Corone dentate<\/h3>\n

Large-diameter internal or external ring gears for rotary and slewing drives.<\/p>\n

View Products<\/a>\n<\/div>\n

\n \"bevel<\/p>\n

Ingranaggi conici<\/h3>\n

Straight and spiral bevel gears for right-angle drives and gear motor input stages.<\/p>\n

View Products<\/a>\n<\/div>\n

\n \"helical<\/p>\n

Ingranaggi elicoidali<\/h3>\n

Helical pinions for high-speed, low-noise rack drives and reduction stages.<\/p>\n

View Products<\/a>\n<\/div>\n

\n \"planetary<\/p>\n

Planetary Gear Sets<\/h3>\n

Compact in-line reducers paired to servo motors; output shaft connects to the rack pinion.<\/p>\n

View Products<\/a>\n<\/div>\n

\n \"worm<\/p>\n

Worm Gear Wheels<\/h3>\n

Self-locking worm reducers for vertical rack axes holding position under gravity load.<\/p>\n

View Products<\/a>\n<\/div>\n

\n \"plastic<\/p>\n

Plastic Gears<\/h3>\n

Nylon, POM, and polycarbonate pinion gears for light-duty, lubrication-free rack drives.<\/p>\n

View Products<\/a>\n<\/div>\n<\/div>\n

Domande frequenti<\/h2>\n
\n
\n

What precision grade should I specify for a CNC machining centre axis rack?<\/p>\n

For a standard CNC machining centre with rotary encoder feedback and no linear scale, DIN6 ground helical rack is the industry standard \u2014 it gives pitch accuracy below 0.012 mm per 300 mm that a servo drive can compensate for. For five-axis machines or machines with linear scale feedback, DIN5 ground provides the tightest available accuracy and eliminates any residual drive-train contribution to the machine volumetric error budget. For transfer lines, flame cutters, and general-purpose CNC routers where positioning tolerance is 0.05 mm or greater, DIN7 or DIN8 milled rack is adequate at lower cost.<\/p>\n<\/div>\n

\n
\n

What causes increased backlash in a machine tool rack drive over time?<\/p>\n

The primary cause is tooth flank wear from abrasive contamination in the lubricant \u2014 chips, grinding dust, and coolant residue entering the rack-pinion mesh increase the wear rate of both components. Secondary causes include: centre distance drift from loosening of the pinion bearing housing fasteners; thermal growth of the machine structure shifting the rack relative to the guideway; and incorrect initial centre distance setting during commissioning. Inspect and re-torque pinion housing fasteners at each scheduled service. If backlash has increased by more than 50% from the commissioning value, plan rack and pinion replacement within the next service interval.<\/p>\n<\/div>\n

\n
\n

Can gear racks be supplied to match a specific machine tool OEM specification?<\/p>\n

Yes. Send us the machine OEM part number, drawing, or dimensions of the existing rack section including module, section length, face width, precision grade, material, and mounting hole pattern. We produce exact-dimension replacement racks for all major machine tool brands. For new machine designs, send us the required axis force, traverse speed, table travel, and positioning accuracy specification and we will design the rack specification from first principles and propose milled or ground variant depending on the accuracy requirement.<\/p>\n<\/div>\n<\/div>\n

\n

Request a Quotation for Machine Tool Gear Racks<\/h3>\n

Send your module, tooth profile, precision grade, table travel, material, and quantity. We return a price and lead time within 24 hours.<\/p>\n

Gear Rack Category<\/a>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Ever-Power gear racks for the machine tool industry are the precision linear drive components that convert motor rotation into the controlled, repeatable axis travel demanded by modern metalcutting equipment. In the machine tool context, the gear rack serves as the equivalent of a very long, very accurate lead screw \u2014 with no length limit, no critical speed constraint, and the ability to carry the full cutting force directly at the tooth mesh rather than through the tortional compliance of a rotating shaft.<\/p>","protected":false},"featured_media":2101,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[4567],"product_tag":[],"class_list":["post-2100","product","type-product","status-publish","has-post-thumbnail","product_cat-gear-racks","pa_editor-cxm","first","instock","product-type-simple"],"_links":{"self":[{"href":"https:\/\/gearrack.top\/it\/wp-json\/wp\/v2\/product\/2100","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gearrack.top\/it\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/gearrack.top\/it\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/gearrack.top\/it\/wp-json\/wp\/v2\/comments?post=2100"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gearrack.top\/it\/wp-json\/wp\/v2\/media\/2101"}],"wp:attachment":[{"href":"https:\/\/gearrack.top\/it\/wp-json\/wp\/v2\/media?parent=2100"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/gearrack.top\/it\/wp-json\/wp\/v2\/product_brand?post=2100"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/gearrack.top\/it\/wp-json\/wp\/v2\/product_cat?post=2100"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/gearrack.top\/it\/wp-json\/wp\/v2\/product_tag?post=2100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}