{"id":1562,"date":"2026-09-07T08:57:54","date_gmt":"2026-09-07T08:57:54","guid":{"rendered":"https:\/\/superiortransmissioninc.com\/?post_type=product&p=1562"},"modified":"2026-09-07T08:57:54","modified_gmt":"2026-09-07T08:57:54","slug":"ep-s45c-42crmo-tooth-surface-ground-helical-gear-rack","status":"publish","type":"product","link":"https:\/\/superiortransmissioninc.com\/ko\/product\/ep-s45c-42crmo-tooth-surface-ground-helical-gear-rack\/","title":{"rendered":"EP-S45C \/ 42CrMo Tooth-Surface Ground Helical Gear Rack"},"content":{"rendered":"
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EP-S45C \/ 42CrMo Tooth-Surface Ground Helical Gear Rack \u2014 HRC48\u201352\u00b0 \/ HRC50\u201355\u00b0<\/h2>\n

DIN5 Accuracy \u00b7 S45C \/ 42CrMo Alloy Steel \u00b7 Helical Teeth \u00b7 Right Helix Angle 19\u00b031’42” \u00b7 Four-Side Grinding + Tooth Surface Grinding<\/p>\n<\/div>\n

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Technical Specifications at a Glance of Helical Gear Rack<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Helical Gear Rack Parameter<\/th>\n\uc0ac\uc591<\/th>\n<\/tr>\n<\/thead>\n
Accuracy Level<\/td>\nDIN5<\/td>\n<\/tr>\n
\uc7ac\ub8cc<\/td>\nS45C \/ 42CrMo Alloy Steel<\/td>\n<\/tr>\n
Tooth Profile<\/td>\nHelical teeth<\/td>\n<\/tr>\n
Right Helix Angle<\/td>\n19\u00b031’42”<\/td>\n<\/tr>\n
Hardness Treatment<\/td>\nHigh-frequency quenching HRC48\u201352\u00b0 \/ Carburizing quenching HRC50\u201355\u00b0<\/td>\n<\/tr>\n
Production Process<\/td>\nFour-side grinding (post hard tooth surface treatment) + Tooth surface grinding<\/td>\n<\/tr>\n
Standard Lengths<\/td>\n500 mm \/ 1 000 mm (custom available)<\/td>\n<\/tr>\n
Module Range<\/td>\n1.5 \u2013 8<\/td>\n<\/tr>\n
Hole-free Option<\/td>\nAvailable \u2014 suffix “N” in model code (e.g. AMX325020100-N)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

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Dimensional Parameters \u2014 AMX325 Series (Unit: mm)<\/h2>\n

End face pitch Pe = Module \u00d7 \u03c0 \/ COS(19\u00b031’42”) \u00a0|\u00a0 Fp = Total pitch deviation \u00a0|\u00a0 All dimensions in millimetres.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Code<\/th>\n\uae30\uc900 \uce58\uc218<\/th>\nPt<\/th>\nL (mm)<\/th>\nL2 (mm)<\/th>\nTooth No.<\/th>\n\ube44<\/th>\nA0<\/th>\nA1<\/th>\nD<\/th>\n\ub098<\/th>\nHole No.<\/th>\n\uc5d0\uc774<\/th>\nC1<\/th>\nC2<\/th>\n\uc774\uc790\ud615<\/th>\nD1<\/th>\nI1<\/th>\nC3<\/th>\nFp<\/th>\n<\/tr>\n<\/thead>\n
AMX325 015 050<\/td>\n1.5<\/td>\n4.9999<\/td>\n500.00<\/td>\n6.74<\/td>\n100<\/td>\n19<\/td>\n19<\/td>\n17.5<\/td>\n62.5<\/td>\n125<\/td>\n4<\/td>\n8<\/td>\n7<\/td>\n11<\/td>\n7<\/td>\n31.7<\/td>\n436.6<\/td>\n5.7<\/td>\n0.021<\/td>\n<\/tr>\n
AMX325 015 100<\/td>\n1.5<\/td>\n4.9999<\/td>\n1000.00<\/td>\n6.74<\/td>\n200<\/td>\n19<\/td>\n19<\/td>\n17.5<\/td>\n62.5<\/td>\n125<\/td>\n8<\/td>\n8<\/td>\n7<\/td>\n11<\/td>\n7<\/td>\n31.7<\/td>\n936.6<\/td>\n5.7<\/td>\n0.024<\/td>\n<\/tr>\n
AMX325 020 050<\/td>\n2<\/td>\n6.6666<\/td>\n500.00<\/td>\n8.5<\/td>\n75<\/td>\n24<\/td>\n24<\/td>\n22<\/td>\n62.5<\/td>\n125<\/td>\n4<\/td>\n8<\/td>\n7<\/td>\n11<\/td>\n7<\/td>\n31.7<\/td>\n436.6<\/td>\n5.7<\/td>\n0.021<\/td>\n<\/tr>\n
AMX325 020 100<\/td>\n2<\/td>\n6.6666<\/td>\n1000.00<\/td>\n8.5<\/td>\n150<\/td>\n24<\/td>\n24<\/td>\n22<\/td>\n62.5<\/td>\n125<\/td>\n8<\/td>\n8<\/td>\n7<\/td>\n11<\/td>\n7<\/td>\n31.7<\/td>\n936.6<\/td>\n5.7<\/td>\n0.024<\/td>\n<\/tr>\n
AMX325 030 050<\/td>\n3<\/td>\n9.9999<\/td>\n500.00<\/td>\n10.3<\/td>\n50<\/td>\n29<\/td>\n29<\/td>\n26<\/td>\n62.5<\/td>\n125<\/td>\n4<\/td>\n9<\/td>\n10<\/td>\n15<\/td>\n9<\/td>\n35.0<\/td>\n430.0<\/td>\n7.7<\/td>\n0.023<\/td>\n<\/tr>\n
AMX325 030 100<\/td>\n3<\/td>\n9.9999<\/td>\n1000.00<\/td>\n10.3<\/td>\n100<\/td>\n29<\/td>\n29<\/td>\n26<\/td>\n62.5<\/td>\n125<\/td>\n8<\/td>\n9<\/td>\n10<\/td>\n15<\/td>\n9<\/td>\n35.0<\/td>\n930.0<\/td>\n7.7<\/td>\n0.026<\/td>\n<\/tr>\n
AMX325 040 050<\/td>\n4<\/td>\n13.3333<\/td>\n506.67<\/td>\n13.8<\/td>\n38<\/td>\n39<\/td>\n39<\/td>\n35<\/td>\n62.5<\/td>\n125<\/td>\n4<\/td>\n12<\/td>\n10<\/td>\n15<\/td>\n9<\/td>\n33.3<\/td>\n433.0<\/td>\n7.7<\/td>\n0.025<\/td>\n<\/tr>\n
AMX325 040 100<\/td>\n4<\/td>\n13.3333<\/td>\n1000.00<\/td>\n13.8<\/td>\n75<\/td>\n39<\/td>\n39<\/td>\n35<\/td>\n62.5<\/td>\n125<\/td>\n8<\/td>\n12<\/td>\n10<\/td>\n15<\/td>\n9<\/td>\n33.3<\/td>\n933.4<\/td>\n7.7<\/td>\n0.028<\/td>\n<\/tr>\n
AMX325 050 050<\/td>\n5<\/td>\n16.6666<\/td>\n500.00<\/td>\n17.4<\/td>\n30<\/td>\n49<\/td>\n39<\/td>\n34<\/td>\n62.5<\/td>\n125<\/td>\n4<\/td>\n12<\/td>\n14<\/td>\n20<\/td>\n13<\/td>\n37.5<\/td>\n425.0<\/td>\n11.7<\/td>\n0.028<\/td>\n<\/tr>\n
AMX325 050 100<\/td>\n5<\/td>\n16.6666<\/td>\n1000.00<\/td>\n17.4<\/td>\n60<\/td>\n49<\/td>\n39<\/td>\n34<\/td>\n62.5<\/td>\n125<\/td>\n8<\/td>\n12<\/td>\n14<\/td>\n20<\/td>\n13<\/td>\n37.5<\/td>\n925.0<\/td>\n11.7<\/td>\n0.030<\/td>\n<\/tr>\n
AMX325 060 050<\/td>\n6<\/td>\n19.9999<\/td>\n500.00<\/td>\n20.9<\/td>\n25<\/td>\n59<\/td>\n49<\/td>\n43<\/td>\n62.5<\/td>\n125<\/td>\n4<\/td>\n16<\/td>\n18<\/td>\n26<\/td>\n17<\/td>\n37.5<\/td>\n425.0<\/td>\n15.7<\/td>\n0.028<\/td>\n<\/tr>\n
AMX325 060 100<\/td>\n6<\/td>\n19.9999<\/td>\n1000.00<\/td>\n20.9<\/td>\n50<\/td>\n59<\/td>\n49<\/td>\n43<\/td>\n62.5<\/td>\n125<\/td>\n8<\/td>\n16<\/td>\n18<\/td>\n26<\/td>\n17<\/td>\n37.5<\/td>\n925.0<\/td>\n15.7<\/td>\n0.035<\/td>\n<\/tr>\n
AMX325 080 050<\/td>\n8<\/td>\n26.6667<\/td>\n480.00<\/td>\n28.0<\/td>\n18<\/td>\n79<\/td>\n79<\/td>\n71<\/td>\n60.0<\/td>\n120<\/td>\n4<\/td>\n25<\/td>\n22<\/td>\n33<\/td>\n21<\/td>\n120<\/td>\n240.0<\/td>\n19.7<\/td>\n0.030<\/td>\n<\/tr>\n
AMX325 080 100<\/td>\n8<\/td>\n26.6667<\/td>\n960.00<\/td>\n28.0<\/td>\n36<\/td>\n79<\/td>\n79<\/td>\n71<\/td>\n60.0<\/td>\n120<\/td>\n8<\/td>\n25<\/td>\n22<\/td>\n33<\/td>\n21<\/td>\n120<\/td>\n720.0<\/td>\n19.7<\/td>\n0.038<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Racks without holes available \u2014 suffix “N” to model code (e.g. AMX325020100-N). Custom dimensions and materials accepted on drawing basis. All specs subject to change; confirm before ordering.<\/p>\n<\/div>\n

<\/p>\n

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How This Ground Helical Gear Rack Works<\/h2>\n

\uc5d0\uc774 helical gear rack<\/strong> converts the rotational output of a driving helical gear<\/strong> pinion into precise linear displacement. When the pinion rotates against the rack’s angled teeth, the interaction propels the rack \u2014 or the pinion carriage \u2014 along the rack’s length at a speed determined by the pinion pitch-circle diameter and rotational velocity. The 19\u00b031’42” right helix means each tooth enters contact at one end of the tooth face before the other, distributing instantaneous load across overlapping tooth pairs. This is the same progressive engagement principle that makes helical gear vs spur gear<\/strong> comparisons consistently favour the helical type on noise, contact ratio, and peak tooth stress \u2014 all factors that matter in servo-controlled linear drive systems where pitch deviation translates directly into positioning error.<\/p>\n

The two-stage finishing process distinguishes the AMX325 from standard hardened-and-ground racks. After heat treatment, the rack undergoes four-side flat grinding to establish accurate datum faces on the mounting and reference surfaces \u2014 the same step used in lower-accuracy series. The AMX325 then undergoes a separate tooth surface grinding pass on a precision rack-grinding machine. This stage targets the tooth flanks specifically, removing the residual form error left by the quenching cycle and achieving the tighter pitch and profile tolerance characteristic of DIN5 accuracy. In a helical rack and pinion<\/strong> drive system with servo feedback resolution under 1 \u00b5m, this final grinding step is the difference between the controller compensating for rack error on every move and the controller simply executing the programmed position reliably.<\/p>\n

\"Gear<\/div>\n<\/div>\n

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Five Key Performance Advantages of Helical Gear Rack<\/h2>\n
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\u2460 DIN5 Tooth-Surface Ground Accuracy<\/h3>\n

The dedicated tooth surface grinding stage drives this helical gear rack<\/strong> to DIN5 accuracy \u2014 a classification tighter than most catalogue racks. Fp values for Module 1.5\u20133 segments stay below 0.026 mm, and Module 4\u20138 stay below 0.038 mm over the full rack length. In servo-driven CNC gantry axes used by German machine tool builders and Japanese precision equipment OEMs, this accuracy level reduces quadrant glitch compensation, lowers following-error magnitude, and improves the contour accuracy of machined parts directly attributable to the rack drive.<\/p>\n<\/div>\n

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\u2461 Dual Material for Matched Application<\/h3>\n

S45C with HRC48\u201352\u00b0 high-frequency quenching suits high-cycle indoor drives in controlled environments \u2014 CNC routers, dispensing gantries, laboratory automation \u2014 where tooth-surface contact fatigue rather than core fracture is the dominant failure mode. 42CrMo with carburizing quenching at HRC50\u201355\u00b0 provides higher core tensile strength and greater case depth, suited to heavier portal crane traverses and industrial press drives in Australian and Canadian facilities where per-tooth load levels are substantially higher and rack replacement requires significant downtime.<\/p>\n<\/div>\n

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\u2462 Helical Tooth Smooth Drive<\/h3>\n

The 19\u00b031’42” helical teeth<\/strong> engage progressively rather than all at once, keeping the contact ratio above 1.5 at all times and substantially suppressing the gear-mesh frequency vibration that spur-tooth racks generate. In South Korean semiconductor inspection gantries and Dutch precision dispensing systems, this characteristic keeps the driven stage acoustically quiet and mechanically stable throughout a move \u2014 a requirement that straight-tooth racks cannot reliably meet at the traverse speeds modern servo systems demand.<\/p>\n<\/div>\n

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\u2463 Family Compatibility with EP Helical Gears<\/h3>\n

The 19\u00b031’42” right-hand helix and the same module standard used across the EP rack family means this AMX325 series mates directly with the EP helical pinion gear<\/strong> catalogue \u2014 same helix angle, same module, verified compatible tooth geometry. Engineers assembling a helical rack and pinion<\/strong> drive from both series can specify the rack and the helical gear pinion<\/strong> from a single source, eliminating the tooth-geometry mismatch risk and simplifying quality documentation for machine CE marking or FDA equipment validation.<\/p>\n<\/div>\n

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\u2464 Broad Module Selection & Hole-Free Option<\/h3>\n

Modules 1.5 through 8 address the full span from fine-pitch small rack and pinion instruments to heavy-duty large-traverse gantry systems, with Fp tolerances verified at every module. The hole-free suffix “N” option suits installations where the rack is adhesive-bonded to an aluminium extrusion or located in a T-slot track \u2014 a configuration common in North American and UK machine-build integrators who design lightweight, tool-free rack-and-rail assemblies for quick customer installation. Custom non-standard cross-sections and lengths are available on drawing, covering OEM needs that the standard catalogue cannot address.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

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Material & Surface Treatment of Helical Gear Rack<\/h2>\n

S45C is a medium-carbon steel with approximately 0.45% carbon that machines predictably, responds uniformly to induction hardening, and achieves HRC48\u201352\u00b0 tooth surface hardness through high-frequency quenching at a material cost accessible for standard catalogue production volumes. Its combination of adequate hardenability and good machinability makes it the baseline material for the majority of AMX325 orders \u2014 covering precision CNC routing axes, print-machine traverse drives, and laboratory gantry systems where the tooth surface hardness is the primary wear-resistance requirement and the bar cross-section remains in elastic stress well below S45C’s tensile limit throughout service.<\/p>\n

42CrMo is selected when the application pushes beyond S45C’s capability envelope \u2014 typically where axial force per unit rack length, shock loading from rapid direction reversals, or elevated ambient temperature would cause S45C to plastically deform at the tooth root under sustained peak loading. The chromium and molybdenum additions raise the steel’s hardenability to allow a deeper, more uniform case to form during carburizing quenching, achieving HRC50\u201355\u00b0 with a case depth that supports Hertzian contact stress levels substantially above what high-frequency-quenched S45C provides. For heavy-duty conveyor rack drives in Brazilian processing plants and industrial press feed racks in South Korean heavy manufacturing, 42CrMo combined with tooth surface grinding to DIN5 is the combination that defines the service life of the machine rather than the rack.<\/p>\n

\"Gear<\/div>\n<\/div>\n

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\uc751\uc6a9 \uc2dc\ub098\ub9ac\uc624<\/h2>\n
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High-Speed CNC Router Axes<\/h3>\n

Wood, composite, and foam CNC routers with traverse widths of 1 500\u20134 000 mm rely on a ground helical gear rack<\/strong> for the primary Y-axis traverse. DIN5 accuracy keeps positional error low enough for furniture-grade surface finish at 60 m\/min traverse speed, while the helical tooth profile prevents the vibration that causes tool chatter at transition points. German and Italian router builders specify tooth-surface-ground racks for this reason on every machine above mid-range.<\/p>\n<\/div>\n

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Precision Pick-and-Place Gantries<\/h3>\n

Electronic component pick-and-place machines and adhesive dispensing gantries use Module 1.5\u20132 AMX325 racks on fast-moving X\/Y axes that execute hundreds of point-to-point moves per minute. The DIN5 Fp tolerance of 0.021\u20130.024 mm per 500 mm segment ensures that repeat-position error is dominated by the servo control system rather than by rack pitch variation \u2014 keeping placement accuracy within \u00b10.05 mm over a full production shift in South Korean and Japanese SMT assembly lines.<\/p>\n<\/div>\n

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Laser & Plasma Cutting Machines<\/h3>\n

High-power laser and plasma cutting gantries in Australian steel fabrication shops and Dutch shipbuilding facilities push helical rack and pinion<\/strong> drives to their combined speed, accuracy, and load limits simultaneously. The 42CrMo option at HRC50\u201355\u00b0 handles the intermittent heavy braking loads from programme path reversals, while the tooth-surface-ground finish minimises position overshoot at path corners \u2014 directly reducing heat-affected zone width on the cut edge.<\/p>\n<\/div>\n

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Automated Storage & Retrieval<\/h3>\n

Stacker crane X-axis drives in AS\/RS installations traverse racks up to 100 metres long, stitched from multiple 1 000 mm segments. The AMX325 ground Fp tolerance keeps cumulative pitch error across joints predictable, allowing the stacker-crane position controller to correct for segment-to-segment deviation with a simple taught offset \u2014 a critical simplification in Canadian and UK cold-store AS\/RS facilities where the rack operates at sub-zero ambient temperatures affecting both material properties and controller tuning.<\/p>\n<\/div>\n

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Stone & Granite Processing Tables<\/h3>\n

Bridge-saw and waterjet tables cutting natural stone operate with high static loads (bridge weight often exceeds 800 kg) and slow traverse speeds, placing emphasis on rack rigidity and surface hardness over speed. Module 5\u20138 AMX325 in 42CrMo handles per-tooth loads in the range that exceeds the safe operating zone for standard hardened racks, while the ground tooth surface ensures consistent mesh stiffness at the slow feed rates that stone-cutting quality demands in Brazilian and Italian granite-processing facilities.<\/p>\n<\/div>\n

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Optical & Metrology Equipment<\/h3>\n

Large-aperture optical mirror grinding machines and bridge-type coordinate measuring machines built in Taiwan and Germany specify tooth-surface-ground helical gear racks<\/strong> for drive axes where the rack pitch error budget is a direct sub-allocation of the machine’s volumetric accuracy specification. At Module 1.5 with Fp under 0.024 mm per metre, the AMX325 contributes less positioning uncertainty per 500 mm of travel than most linear encoder systems’ interpolation error \u2014 a result that simplifies the machine accuracy budget considerably.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

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About Our Factory<\/h2>\n

Our production facility has more than a decade of dedicated experience in mechanical power transmission manufacturing, with rack grinding and gear accuracy verification among our deepest technical capabilities. We hold ISO 9001:2015 \uc778\uc99d<\/strong> and operate traceable gear-measurement instrumentation calibrated to national standards, covering tooth pitch, profile, and helix measurement for every precision rack and helical gear<\/strong> batch we produce.<\/p>\n

Our product range spans agricultural gearboxes, worm gear reducers, planetary gear drives, PTO shafts, hydraulic cylinders, roller chains, and electric motors. Gearbox housings and assemblies are produced in ductile iron, cast iron, cast steel, precision investment-cast steel, and die-cast aluminium; standard components \u2014 gears, sprockets, worm wheels, pulleys, shafts \u2014 are stocked for fast dispatch, while OEM non-standard parts are manufactured to engineering drawings with agreed lead times. Whether you need a catalogue helical gear rack<\/strong> segment today or a custom ground rack profile for next quarter’s machine build, our production scheduling team will confirm the right supply arrangement for your project.<\/p>\n

\uc791\uc5c5\uc7a5<\/h3>\n
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\"\uacf5\uc7a5
\n\"Production
\n\"\ubcf5\ud569\uc7ac
\n\"Rolling<\/div>\n<\/div>\n<\/div>\n

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\uad00\ub828 \uc0c1\ud488<\/h2>\n
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Helical Gear (Pinion)<\/a><\/h3>\n

The matching helical gear<\/a> pinion series shares the same 19\u00b031’42” right-hand helix and Module standards as the AMX325 rack, providing a geometrically pre-verified helical rack and pinion<\/strong> pair from a single manufacturing source. Specifying both components together eliminates tooth-geometry mismatch as a design variable and gives procurement a single quality-document set for machine validation \u2014 a practical advantage for OEMs building CE-marked equipment for European markets. Our helical gear suppliers<\/strong> team can match pinion tooth count to your target gear ratio on request.<\/p>\n

\"Helical<\/p>\n<\/div>\n

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Gear Rack Range<\/a><\/h3>\n

For applications where DIN5 tooth-surface grinding is more than the accuracy budget requires, our broader gear rack<\/a> series covers DIN6 and DIN8 accuracy classes in the same helical tooth profile and module range. This allows designers to specify the correct accuracy grade for each machine axis independently \u2014 for instance, a ground AMX325 on the primary traverse axis and a DIN6 rack on a secondary positioning axis \u2014 sourcing all racks from a single compatible product family with consistent helix geometry and mounting cross-sections throughout.<\/p>\n

\"Gear<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n
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\nQ1. What is the difference between a DIN5 tooth-surface-ground helical gear rack and a DIN6 hardened-and-ground rack for a high-speed CNC gantry in a German facility?<\/summary>\n
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DIN5 represents a tighter tolerance class than DIN6: the allowed cumulative pitch error Fp over any 1 000 mm rack length is approximately 40\u201350% lower for DIN5 than for DIN6 at the same module. The practical difference in a German CNC gantry is most visible at high feed rates \u2014 above 60 m\/min \u2014 where the servo controller’s ability to compensate for rack pitch variation is limited by the update rate of the position feedback loop. A DIN5 ground rack keeps velocity ripple low enough that the controller stays within its tracking-error window without requiring an increased following-error tolerance setting, which would otherwise allow more path deviation during cornering moves.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

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\nHow do I choose between S45C and 42CrMo material for a tooth-surface-ground helical gear rack on a heavy portal crane traverse in an Australian steel fabrication plant?<\/summary>\n
\n

The selection hinges on per-tooth bending stress and surface contact stress. For a heavy portal crane in an Australian fabrication plant, calculate the maximum tangential force on the pinion pitch circle and divide by the active tooth width to get force per unit face width. If this value exceeds approximately 800 N\/mm at Module 6\u20138, 42CrMo with carburizing quenching is the correct choice \u2014 its HRC50\u201355\u00b0 case and higher core tensile strength carry that load class without permanent tooth deformation. S45C at HRC48\u201352\u00b0 handles up to approximately 600 N\/mm at the same modules. Both options are available in the AMX325 series with the same DIN5 tooth-surface-ground accuracy.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

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\nWhich module size is right for a ground helical gear rack driving a pick-and-place gantry at 2 m\/s traverse speed in a South Korean electronics assembly facility?<\/summary>\n
\n

Module 1.5 or Module 2 is standard for SMT pick-and-place gantries in South Korean electronics assembly. At 2 m\/s traverse with a typical servo motor running at 3 000 rpm through a 1:1 helical gearhead, the required pinion pitch-circle diameter works out to approximately 12\u201313 mm, which corresponds to Module 2 with a 20-tooth pinion or Module 1.5 with a 26-tooth pinion. Module 2 is generally preferred because the larger tooth section provides more bending strength margin at the acceleration peaks of a high-cycle pick-and-place duty profile, and the slightly coarser module still delivers sub-0.025 mm Fp over 1 000 mm in the AMX325 DIN5 tolerance class.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

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\nWhere can I source a custom tooth-surface-ground helical gear rack with a non-standard cross-section for a precision optical grinding machine built in Taiwan?<\/summary>\n
\n

Our production facility accepts custom helical gear rack<\/strong> orders on drawing submission, including non-standard bar cross-sections, asymmetric height-to-width ratios, and special hole or slot patterns for optical grinding machine applications in Taiwan. DIN5 accuracy can be maintained on custom profiles as long as the tooth geometry and grinding fixture design are reviewed at the quotation stage. Submit a 2D section drawing specifying the critical dimensions, required accuracy class, material, and surface finish requirements. We will confirm feasibility, lead time, and minimum order quantity within the same week.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

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\nWhen should I upgrade from a standard helical gear rack to a DIN5 tooth-surface-ground rack for an automated storage and retrieval system stacker crane in a UK cold-store facility?<\/summary>\n
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Upgrade to DIN5 tooth-surface-ground when any of the following apply to your UK cold-store AS\/RS stacker: traverse speed above 4 m\/s on the X-axis, position feedback using a linear encoder rather than rotary encoder (linear encoders expose rack pitch error directly), positional repeat accuracy requirement below \u00b10.5 mm over 50 m of rack, or rack operating temperature below \u221210\u00b0C where material dimensional change amplifies segment-joint step errors. In cold-store environments specifically, the tighter Fp of a ground rack reduces the thermal-expansion compensation coefficient that the stacker controller must apply as ambient temperature cycles through defrost events \u2014 a practical maintenance simplification that reduces re-teaching frequency over the system’s service life.<\/p>\n<\/div>\n<\/details>\n<\/div>\n<\/div>\n<\/div>\n

\ud3b8\uc9d1\uc790: PXY<\/p>","protected":false},"excerpt":{"rendered":"

The AMX325 series helical gear rack represents a step up in tooth-surface quality within the EP gear rack family. Rated to DIN5 accuracy and produced through a two-stage finishing process \u2014 four-side flat grinding after hard tooth surface treatment, followed by dedicated tooth surface grinding \u2014 this rack delivers the tighter pitch error and smoother tooth-flank finish required by servo-driven CNC axes, precision gantry systems, and high-speed automated material-handling equipment deployed across Germany, Japan, Australia, South Korea, and North America.<\/p>\n

Material options are S45C medium-carbon steel and 42CrMo chromium-molybdenum alloy steel. High-frequency quenching drives the tooth surface to HRC48\u201352\u00b0 for S45C, while 42CrMo with carburizing quenching achieves HRC50\u201355\u00b0, providing a higher contact fatigue resistance for heavy-duty or longer-life applications. The right-hand helix angle of 19\u00b031’42” is consistent across the EP rack and helical pinion gear family, enabling direct substitution between AMX325 racks and the matching EP helical pinion gears without re-calculating helix geometry. This inter-family compatibility is a practical advantage for design engineers building multi-axis CNC machines where the same helical rack and pinion geometry applies to every linear axis on the machine.<\/p>\n

Standard segments cover 500 mm and 1 000 mm lengths across modules 1.5 through 8, providing a comprehensive selection for most machine design requirements. Racks without hole patterns are available \u2014 append suffix “N” to the model code (e.g. AMX325020100-N) for clean-mounting or adhesive-bonded installations. Custom cross-section geometries and non-standard lengths are accepted on engineering drawing submission, making this series a viable custom helical rack option for OEM equipment builders who need a ground rack matched precisely to their proprietary guide housing.<\/p>","protected":false},"featured_media":1564,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[55],"product_tag":[],"class_list":["post-1562","product","type-product","status-publish","has-post-thumbnail","product_cat-helical-gear-rack","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/superiortransmissioninc.com\/ko\/wp-json\/wp\/v2\/product\/1562","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/superiortransmissioninc.com\/ko\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/superiortransmissioninc.com\/ko\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/ko\/wp-json\/wp\/v2\/media\/1564"}],"wp:attachment":[{"href":"https:\/\/superiortransmissioninc.com\/ko\/wp-json\/wp\/v2\/media?parent=1562"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/ko\/wp-json\/wp\/v2\/product_brand?post=1562"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/ko\/wp-json\/wp\/v2\/product_cat?post=1562"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/ko\/wp-json\/wp\/v2\/product_tag?post=1562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}