{"id":2038,"date":"2026-04-10T08:56:42","date_gmt":"2026-04-10T08:56:42","guid":{"rendered":"https:\/\/helicalcutgears.top\/?post_type=product&p=2038"},"modified":"2026-04-10T08:59:16","modified_gmt":"2026-04-10T08:59:16","slug":"beverage-packing-machinery-helical-gear-agma-class-8-for-ultra-quiet-high-speed-packaging-drive","status":"publish","type":"product","link":"https:\/\/helicalcutgears.top\/cs\/product\/beverage-packing-machinery-helical-gear-agma-class-8-for-ultra-quiet-high-speed-packaging-drive\/","title":{"rendered":"\u0160roubovit\u00fd p\u0159evod pro stroje na balen\u00ed n\u00e1poj\u016f \u2013 AGMA t\u0159\u00edda 8 pro ultratich\u00fd vysokorychlostn\u00ed pohon balen\u00ed"},"content":{"rendered":"
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Beverage Packing Machinery Helical Gear \u2014 Overview<\/h2>\n

Beverage filling, labeling, capping, and cartoning machines demand gear drive components that meet a set of requirements almost unique in industrial engineering: extremely low operating noise, high positional repeatability at cyclic speeds of 400\u20131,200 strokes per minute, resistance to frequent wash-down cleaning with alkaline detergents, and compact physical dimensions within the machine frame. The beverage packing machinery helical gear<\/strong> from Korea Ever-Power Worm Gear Co.,Ltd is designed to address all four simultaneously. The gear is manufactured from forged 20CrNiMoA alloy steel, carburized, wire-cut, and tooth-ground to AGMA class 8 accuracy \u2014 with a 45\u00b0 helix angle and 15\u00b0 pressure angle that are specifically chosen to minimize transmission error and operating noise.<\/p>\n

\"Strojn\u00ed<\/p>\n

The reference configuration \u2014 Mn=3.35, Z=9, \u03b2=45\u00b0, \u03b1=15\u00b0, left-handed \u2014 is an unusual specification by general industrial standards, but entirely deliberate for packaging machinery. A 45\u00b0 helix angle is the geometric maximum before axial forces become impractical for single-helical gears; at this angle the overlap contact ratio reaches its theoretical peak for the given face width, ensuring the smoothest possible torque transfer through each revolution. The 15\u00b0 pressure angle, lower than the 20\u00b0 standard in most industrial \u0161ikm\u00e1 ozuben\u00e1 kola<\/strong>, reduces the tooth separating force that generates radial vibration through the gear housing into the machine frame. These design decisions trade some load capacity \u2014 the small tooth count Z=9 limits bending strength per tooth \u2014 in exchange for acoustic performance that standard industrial ozuben\u00e1 kola se \u0161roubovicov\u00fdm \u0159ezem<\/strong><\/a> cannot match.<\/p>\n

Technick\u00e9 specifikace<\/h2>\n

Gear Basic Data \u2014 Reference Configuration<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Parametr<\/th>\nHodnota<\/th>\n<\/tr>\n
Gear Tooth Shape<\/td>\nInvolute<\/td>\n<\/tr>\n
Gear Material<\/td>\n20CrNiMoA (High-purity grade; carburized and quenched)<\/td>\n<\/tr>\n
Gear Process<\/td>\nForging \u2192 Carburizing \u2192 Wire Cutting \u2192 Tooth Grinding<\/td>\n<\/tr>\n
\u00dahel tlaku<\/td>\n15\u00b0 (reduced for lower separating force and noise)<\/td>\n<\/tr>\n
Quality Level<\/td>\nAGMA Class 8 (\u2248 DIN Class 4\u20135)<\/td>\n<\/tr>\n
Typ p\u0159evodov\u00e9ho stupn\u011b<\/td>\nMn=3.35, Z=9, \u03b1=15\u00b0, \u03b2=45\u00b0, Left-Handed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Manufacturing Capabilities \u2014 Internal Gears and Internal Splines<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
<\/th>\nMILLING<\/th>\nSHAPING<\/th>\nTOOTH GRINDING<\/th>\n<\/tr>\n
Maximum O.D.<\/td>\n2500 mm<\/td>\n2500 mm<\/td>\n2500 mm<\/td>\n<\/tr>\n
Minimum I.D.<\/td>\n650 mm<\/td>\n50 mm<\/td>\n100 mm<\/td>\n<\/tr>\n
Maximum Face Width<\/td>\n500 mm<\/td>\n500 mm<\/td>\n500 mm<\/td>\n<\/tr>\n
Maximum Module<\/td>\n26 mm<\/td>\n26 mm<\/td>\n45 mm<\/td>\n<\/tr>\n
AGMA \/ DIN Level<\/td>\nDIN t\u0159\u00edda 8<\/td>\nDIN t\u0159\u00edda 8<\/td>\nDIN t\u0159\u00edda 4<\/td>\n<\/tr>\n
Tooth Surface Finishing<\/td>\nReferen\u010dn\u00ed \u010d\u00edslo 3,2<\/td>\nReferen\u010dn\u00ed \u010d\u00edslo 3,2<\/td>\nReferen\u010dn\u00ed \u010d\u00edslo 0,6<\/td>\n<\/tr>\n
Maximum Helix Angle<\/td>\n\u00b122,5\u00b0<\/td>\n\u00b122,5\u00b0<\/td>\n\u00b145\u00b0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Manufacturing Capabilities \u2014 External Gears and External Splines<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
<\/th>\nHOBBING<\/th>\nMILLING<\/th>\nTOOTH GRINDING<\/th>\n<\/tr>\n
Maximum O.D.<\/td>\n1250 mm<\/td>\n2500 mm<\/td>\n2500 mm<\/td>\n<\/tr>\n
Minimum O.D.<\/td>\n20 mm<\/td>\n200 mm<\/td>\n20 mm<\/td>\n<\/tr>\n
Maximum Face Width<\/td>\n500 mm<\/td>\n500 mm<\/td>\n1480 mm<\/td>\n<\/tr>\n
Maximum Module<\/td>\n26 mm<\/td>\n26 mm<\/td>\n45 mm<\/td>\n<\/tr>\n
AGMA \/ DIN Level<\/td>\nDIN t\u0159\u00edda 8<\/td>\nDIN t\u0159\u00edda 8<\/td>\nDIN t\u0159\u00edda 4<\/td>\n<\/tr>\n
Tooth Surface Finishing<\/td>\nReferen\u010dn\u00ed \u010d\u00edslo 3,2<\/td>\nReferen\u010dn\u00ed \u010d\u00edslo 3,2<\/td>\nReferen\u010dn\u00ed \u010d\u00edslo 0,6<\/td>\n<\/tr>\n
Maximum Helix Angle<\/td>\n\u00b145\u00b0<\/td>\n\u00b145\u00b0<\/td>\n\u00b145\u00b0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Why 45\u00b0 Helix + 15\u00b0 Pressure Angle \u2014 The Engineering Behind Ultra-Quiet Packaging Drives<\/h2>\n

 <\/p>\n

In packaging machinery engineering, gear noise is not simply an aesthetic consideration \u2014 it is a regulatory parameter. Many beverage plants operate under occupational noise exposure limits, and high-cycle filling and capping machines running 24 hours per day contribute significantly to the ambient dB(A) level on the production floor. The two design variables that most directly reduce gear mesh noise are the overlap contact ratio (increased by raising the helix angle) and the tooth separating force (reduced by lowering the pressure angle). This gear uses both levers simultaneously at their practical limits.<\/p>\n

The Role of the 45\u00b0 Helix Angle in Noise Reduction<\/h3>\n

The overlap contact ratio of a helical gear pair is equal to (face width \u00d7 tan \u03b2) \/ (\u03c0 \u00d7 normal module). At \u03b2=45\u00b0, with a face width of approximately 30\u201340mm and Mn=3.35, the overlap ratio reaches 3.0\u20134.0 \u2014 meaning three to four tooth pairs are simultaneously in contact through each revolution. Each new tooth pair entering mesh receives a very small fraction of the total load because so many others are already sharing it, suppressing the transmission error pulse that would otherwise excite the gear housing at the mesh frequency. Comparative noise tests on packaging gear trains consistently show that raising the helix angle from 20\u00b0 to 45\u00b0 reduces gear mesh tone by 8\u201312 dB(A) at equivalent load and speed \u2014 a reduction that is immediately perceptible in a production environment. The trade-off is higher axial thrust, which in this single-helical configuration must be absorbed by angular-contact or thrust-preloaded bearings on both gear shafts.<\/p>\n

\"Strojn\u00ed<\/p>\n

How the 15\u00b0 Pressure Angle Complements the Helix Design<\/h3>\n

The tooth separating force in a helical gear is equal to the tangential load multiplied by tan(\u03b1)\/cos(\u03b2). At a standard 20\u00b0 pressure angle with \u03b2=45\u00b0, this separating force still amounts to 20% of the tangential load. Reducing the pressure angle to 15\u00b0 brings that fraction down to 15% \u2014 a modest absolute difference, but meaningful at the high cycle rates of a packaging line. The lower pressure angle also reduces the bending moment at the tooth root for the same transmitted torque, giving slightly higher bending fatigue safety factors at the expense of some surface contact fatigue capacity. Given that Z=9 gives a relatively narrow gear body, the bending strength conservatism from the 15\u00b0 pressure angle is a useful engineering offset. The combined effect of 45\u00b0 helix and 15\u00b0 pressure angle produces the quietest helical gear mesh geometry achievable with standard involute tooth form \u2014 which is precisely what beverage packaging machine builders specify for their gear trains.<\/p>\n

Standard Gear Parameters vs This Beverage Packaging Gear \u2014 Key Differences<\/h2>\n
\n\n\n\n\n\n\n\n\n
Parametr<\/th>\nStandardn\u00ed pr\u016fmyslov\u00e9 spir\u00e1lov\u00e9 ozuben\u00e9 kolo<\/th>\nBeverage Packaging Helical Gear<\/th>\nPackaging Gear Advantage<\/th>\n<\/tr>\n
\u00dahel \u0161roubovice<\/td>\n15\u00b0\u201330\u00b0<\/td>\n45\u00b0<\/td>\nMaximum overlap contact ratio; 8\u201312 dB lower mesh noise<\/td>\n<\/tr>\n
\u00dahel tlaku<\/td>\n20\u00b0<\/td>\n15\u00b0<\/td>\nLower separating force; reduced radial vibration transmission<\/td>\n<\/tr>\n
Pom\u011br p\u0159ekryt\u00ed kontakt\u016f<\/td>\n0.5\u20131.5<\/td>\n3.0\u20134.0<\/td>\n3\u20134 tooth pairs always in mesh; extremely smooth torque transfer<\/td>\n<\/tr>\n
Precision class<\/td>\nDIN 6\u20139 (most industrial)<\/td>\nAGMA 8 (\u2248 DIN 4\u20135)<\/td>\nTighter tooth profile reduces transmission error; better cyclic repeatability<\/td>\n<\/tr>\n
Material \/ hardness<\/td>\nVarious; HB 220\u2013HRC 55+<\/td>\n20CrNiMoA carburized; HRC 58\u201362 case<\/td>\nHard case supports high-speed cyclic contact fatigue life<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Core Performance Advantages for Food and Beverage Packaging Drives<\/h2>\n

\"Korea<\/p>\n

\n
\n

\u25c6 Industry-Leading Quiet Mesh<\/strong><\/p>\n

The 45\u00b0 helix delivers the highest achievable overlap contact ratio for a single-helical design, suppressing transmission error excitation at the mesh frequency. Combined with 15\u00b0 pressure angle, this specification consistently meets sub-70 dB(A) machine noise targets at rated packaging speeds.<\/p>\n<\/div>\n

\n

\u25c6 AGMA Class 8 Cyclic Accuracy<\/strong><\/p>\n

At 400\u20131,200 machine cycles per minute over millions of cycles, any repeating error in the tooth pitch appears as a positional jitter at the output shaft. AGMA class 8 tooth accuracy controls pitch deviation to a level where positional jitter remains below the threshold perceptible in label registration and fill-level consistency.<\/p>\n<\/div>\n

\n

\u25c6 20CrNiMoA High-Purity Steel<\/strong><\/p>\n

The ‘A’ suffix denotes vacuum-degassed, high-purity grade production \u2014 lower inclusion content than standard 20CrNiMo improves fatigue life under the high-cycle loading typical of packaging machinery gear drives operating 6,000\u20138,000 hours per year.<\/p>\n<\/div>\n

\n

\u25c6 Wire EDM for Critical Features<\/strong><\/p>\n

Wire electrical discharge machining (EDM) after carburizing produces the keyway, bore relief, or other critical features with high dimensional accuracy and without heat distortion. In compact packaging gear bodies, this process maintains concentricity between the bore and tooth pitch circle to within the tight tolerances that AGMA class 8 requires.<\/p>\n<\/div>\n

\n

\u25c6 Long Fatigue Life at High Cycles<\/strong><\/p>\n

A filling or capping head gear pair at 600 cycles per minute accumulates 315 million load cycles per year. The HRC 58\u201362 carburized case of 20CrNiMoA supports the contact fatigue strength needed to sustain this cycle count over a 3\u20135 year planned overhaul interval without tooth surface degradation.<\/p>\n<\/div>\n<\/div>\n

Application Scenarios in Food and Beverage Packaging Lines<\/h2>\n

\"helical<\/p>\n

Rotary Filling and Capping Heads<\/h3>\n

A rotary beverage filler uses a central gear train to synchronize the rotation of 40\u201380 filling valves around the carousel, ensuring each valve arrives at the correct angular position as bottles enter from the infeed star wheel. Any cyclic positional error in the gear train appears as inconsistent fill-level or misaligned valve-to-bottle contact, which either causes spills or incomplete fills \u2014 both costly in a high-speed production environment. The AGMA class 8 accuracy of this gear, combined with the minimal transmission error from the 45\u00b0 helix, gives the control system a mechanically consistent input that electronic servo correction can reliably work with.<\/p>\n

Labeling Machine Gear Drives<\/h3>\n

Self-adhesive and wrap-around labeling machines run label reels and applicator rollers at speeds that must stay precisely synchronized with the container conveyor. Even minor periodic speed variation from gear tooth error causes label placement drift over a production run, resulting in out-of-tolerance label position that triggers vision system rejects. The extremely low transmission error of 45\u00b0 helical gears reduces the periodic velocity variation at the labeling roller shaft to a level that stays well within the tolerance window at rated line speed.<\/p>\n

Cartoning and Case Packing Machines<\/h3>\n

Secondary packaging equipment \u2014 cartoners, tray erectors, case packers \u2014 operates in the same production hall as filling and primary packaging equipment and contributes to the cumulative noise environment. The quiet mesh characteristics of 45\u00b0 \u0161ikm\u00e1 ozuben\u00e1 kola<\/strong> reduce the noise contribution of the machine’s main drive gear train. For Korean beverage plants operating under the government’s noise exposure regulations, this reduction in per-machine noise level can be the difference between meeting the 85 dB(A) 8-hour average limit and requiring additional engineering noise controls.<\/p>\n

Wash-Down and Hygienic Zone Drives<\/h3>\n

The production floor of a beverage plant is cleaned with alkaline detergents and hot water under high pressure at least once per shift. Drive components in the hygienic zone must resist corrosion from detergent splash and condensation. The carburized 20CrNiMoA tooth surface resists corrosion better than through-hardened low-alloy steel, and enclosed gearboxes with positive shaft seals prevent cleaning fluids from reaching the gear mesh. Where the gear operates in an open-gear environment adjacent to filling equipment, stainless steel variants are available from Korea Ever-Power upon request \u2014 contact our technical team with your corrosion specification and duty cycle. For a broader view of ozuben\u00e9 kolo se spir\u00e1lov\u00fdm \u0159ezem<\/strong> options for food and beverage machinery, see the v\u00fdrobce \u0161ikm\u00fdch ozuben\u00fdch kol<\/a> Korea Ever-Power homepage.<\/p>\n

Quality Assurance and Service Commitment<\/h2>\n

\"Korea<\/p>\n

Beverage machinery builders and replacement part buyers require documentation that confirms each gear meets the AGMA class 8 accuracy standard before installation. Korea Ever-Power’s quality process for this product delivers:<\/p>\n