{"id":1613,"date":"2026-07-15T03:49:57","date_gmt":"2026-07-15T03:49:57","guid":{"rendered":"https:\/\/gearrack.top\/product\/ring-gear-for-cement-mixer-m0-5-20-c45-42crmo-din5-10\/"},"modified":"2026-07-15T03:50:33","modified_gmt":"2026-07-15T03:50:33","slug":"ring-gear-for-cement-mixer-m0-5-20-c45-42crmo-din5-10","status":"publish","type":"product","link":"https:\/\/gearrack.top\/fr\/product\/ring-gear-for-cement-mixer-m0-5-20-c45-42crmo-din5-10\/","title":{"rendered":"Couronne dent\u00e9e pour b\u00e9tonni\u00e8re \u2013 M0.5-20, C45\/42CrMo, DIN5-10"},"content":{"rendered":"
\n

<\/p>\n

Product Overview<\/h2>\n
\n
\n \"Ring\n <\/div>\n
\n

The ring gear for cement mixers<\/strong> is one of the most demanding ring gear applications in industrial machinery \u2014 the cement mixer drum drive ring gear runs continuously in an abrasive dust environment under high torque, carrying the full weight of the concrete batch as the drum rotates. Korea Ever-Power manufactures ring gears for cement mixers and other industrial machinery with straight teeth parallel to the axis \u2014 these are external ring gears (teeth on the outer diameter of the annular ring) transmitting rotary motion between parallel shafts. External ring gears are among the simplest and most widely used gear units, extensively used in gear pumps and other industrial products for smooth functioning. Module range 0.5\u201320, maximum diameter 2,000 mm, available in spur or herringbone tooth profiles for different noise and load distribution requirements.<\/p>\n

Korea Ever-Power is a manufacturer \u2014 not a trading company \u2014 producing ring gears for cement mixers<\/a> and a full range of industrial transmission ring gears since 2010. Factory covers over 2,000 m\u00b2, 30+ skilled staff, 30+ advanced processing and inspection machines. Monthly capacity: 10,000+ pieces of various gear parts. ISO\/DIN 6 precision standard. Delivery time per quantity and difficulty; contact for specific lead time. Quoted on enquiry.<\/p>\n<\/p><\/div>\n<\/div>\n

The cement mixer ring gear differs from a typical industrial ring gear in several ways. Cement mixer drum ring gears are large-diameter, low-module external ring gears (typically OD 600\u20131,800 mm, module 6\u201314) that wrap around the outside of the rotating drum and are driven by one or two motor-gearbox-pinion assemblies. The ring gear rotates with the drum while the pinion drives it from a fixed motor-gearbox unit. The cement environment imposes severe abrasive wear on the ring gear flanks \u2014 concrete aggregate, cement dust, and sand all cause abrasive tooth surface wear \u2014 making the ring gear’s tooth surface hardness and the quality of its surface treatment the primary determinants of service life.<\/p>\n

<\/p>\n

Technical Specifications<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Ring Gear For Cement Mixer \u2014 Product Specification<\/th>\n<\/tr>\n<\/thead>\n
Module Range<\/strong><\/td>\n0.5 \u2013 20<\/td>\n<\/tr>\n
Maximum Diameter<\/strong><\/td>\n2,000 mm<\/td>\n<\/tr>\n
Pressure Angle<\/strong><\/td>\nStandard 20\u00b0 \u2014 non-standard per customer requirement<\/td>\n<\/tr>\n
Teeth Profile<\/strong><\/td>\nSpur (straight) or herringbone<\/td>\n<\/tr>\n
Mat\u00e9riel<\/strong><\/td>\nC45, SS304, SAE1045, Cr12, 40Cr, 20CrMnTi, 16MnCr5, 20CrMnMo, nylon, Delrin (POM), CuZn40<\/td>\n<\/tr>\n
Process<\/strong><\/td>\nHobbing, broaching, shaping, milling, forging<\/td>\n<\/tr>\n
Standard<\/strong><\/td>\nDIN, JIS, AGMA, ISO\/GB<\/td>\n<\/tr>\n
Accuracy Grade<\/strong><\/td>\nDIN 5\u201310 \/ JGMA 2\u20136 \/ AGMA 6\u201310<\/td>\n<\/tr>\n
Heat Treatment<\/strong><\/td>\nQuenching & Tempering; Carburising & Quenching<\/td>\n<\/tr>\n
Surface Treatment<\/strong><\/td>\nZinc-plated, chrome-plated, black oxide, galvanising<\/td>\n<\/tr>\n
Monthly Capacity<\/strong><\/td>\n10,000+ pieces \u2014 various gear parts<\/td>\n<\/tr>\n
Application<\/strong><\/td>\nGearbox, machinery, automotive, electronics, textiles, printing, packaging, medical, food processing, wind power, chemical, pneumatics<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

Cement Mixer Ring Gear \u2014 Engineering Requirements<\/h2>\n

\"types<\/p>\n

\n
\n

Abrasion Resistance<\/h3>\n

Cement mixer ring gear teeth are exposed to concrete aggregate, cement dust, and water throughout every mix cycle. The abrasive wear rate of the tooth flank depends on the surface hardness \u2014 a harder tooth surface resists abrasive grooving from aggregate particles that contact the gear flanks through gaps in the guarding. Korea Ever-Power’s heat treatment (Q&T or carburising) raises the tooth surface hardness to 50\u201362 HRC for maximum abrasion resistance in the cement environment.<\/p>\n<\/p><\/div>\n

\n

Corrosion Resistance<\/h3>\n

Cement and concrete are strongly alkaline \u2014 pH 12\u201313. Wet cement in contact with an uncoated steel ring gear causes aggressive surface corrosion that roughens the tooth flanks and accelerates abrasive wear. Korea Ever-Power’s surface treatment options \u2014 zinc plating, chrome plating, galvanising, and black oxide \u2014 provide corrosion protection ranging from basic (black oxide) through high-performance (chrome or hot-dip galvanising) for the cement mixer’s alkaline exposure environment.<\/p>\n<\/p><\/div>\n

\n

Herringbone vs Spur Profile<\/h3>\n

Spur ring gears (straight teeth parallel to the axis) are the standard cement mixer drum ring gear \u2014 simple, easy to replace, and tolerant of the slight misalignment between the ring gear and pinion that occurs as the drum deflects under concrete load. Herringbone ring gears (double helical, V-shaped tooth pattern) provide higher load capacity and lower operating noise but require more precise alignment and are more expensive. Korea Ever-Power supplies both profiles to match the cement mixer OEM specification.<\/p>\n<\/p><\/div>\n

\n

Large Diameter Precision<\/h3>\n

Cement mixer drum ring gears are large-diameter gear elements (typically 600\u20131,800 mm OD) where maintaining tooth profile accuracy across the full circumference is challenging. Korea Ever-Power’s gear hobbing and shaping machines capable of OD up to 2,000 mm, combined with the Gear Testing Centre used for post-machining accuracy verification, ensure DIN 5\u201310 accuracy is maintained at every tooth position around the full ring gear circumference.<\/p>\n<\/p><\/div>\n<\/div>\n

<\/p>\n

Material Selection for Cement Mixer Ring Gears<\/h2>\n

\"measuring<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Mat\u00e9riel<\/th>\nMax Hardness<\/th>\nCorrosion Resistance<\/th>\nCement Mixer Application<\/th>\n<\/tr>\n<\/thead>\n
C45 \/ SAE1045<\/td>\n55 HRC (induction)<\/td>\nLow (needs coating)<\/td>\nStandard drum ring gear; most cost-effective; galvanise for corrosion protection<\/td>\n<\/tr>\n
40Cr<\/td>\n58 HRC (Q&T)<\/td>\nLow (needs coating)<\/td>\nHigher load capacity drum ring gears; mobile concrete mixer trucks<\/td>\n<\/tr>\n
20CrMnTi<\/td>\n62 HRC (carburised)<\/td>\nLow (needs coating)<\/td>\nHigh-duty concrete mixer drives; maximum abrasion and fatigue resistance<\/td>\n<\/tr>\n
SS304<\/td>\n35 HRC<\/td>\nExcellent \u2713<\/td>\nWet or washdown cement mixer applications; food-grade mortar mixers<\/td>\n<\/tr>\n
Nylon \/ Delrin<\/td>\n\u2014<\/td>\nExcellent \u2713<\/td>\nSmall benchtop cement and mortar mixers; low-load, low-noise applications<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

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

<\/p>\n

Applications<\/h2>\n

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

\n
\n
\ufe0f<\/div>\n

Cement Mixer Drum Drive<\/h3>\n

C45 or 20CrMnTi ring gears M6\u2013M14, OD 600\u20131,800 mm for concrete mixer drum drives \u2014 stationary batching plant mixers and mobile concrete mixer truck drums. The ring gear wraps around the drum and is driven by a motor-gearbox-pinion assembly. Galvanised or chrome surface treatment for the alkaline cement environment.<\/p>\n<\/p><\/div>\n

\n
\u2699\ufe0f<\/div>\n

Gearbox and Machinery<\/h3>\n

Ring gears M0.5\u2013M20 in general industrial gearboxes, conveyor drives, mixing machine drives, and factory automation equipment. Spur or herringbone profiles per the application’s noise and load capacity requirement. Available in all 11 material options from POM plastic through carburised alloy steel.<\/p>\n<\/p><\/div>\n

\n
\u26fd<\/div>\n

Gear Pumps<\/h3>\n

External ring gears M0.5\u2013M3 in gear pump inner and outer rotor assemblies for hydraulic fluid, fuel, and lubrication oil pumps. The smooth, low-pulsation flow characteristics of ring gears make them the preferred choice for precision gear pump applications. Brass or stainless steel for corrosion resistance in fuel system gear pumps.<\/p>\n<\/p><\/div>\n

\n
\ufe0f<\/div>\n

Wind Power and Energy<\/h3>\n

Ring gears M6\u2013M20 for wind turbine planetary and yaw drive gearboxes. The 2,000 mm maximum diameter capability covers the yaw drive and pitch drive ring gears of turbines up to approximately 3 MW. Alloy steel (20CrMnMo, 16MnCr5) with Q&T heat treatment for wind turbine ring gear applications.<\/p>\n<\/p><\/div>\n

\n
<\/div>\n

Printing, Packaging, Textiles<\/h3>\n

Ring gears M0.5\u2013M4 in printing machine indexing drives, packaging machine planetary stages, and textile machine drive units. High accuracy grades (DIN 5\u20136) ensure low transmission error and consistent print registration, package seal timing, and textile pattern repeat accuracy at high production speeds.<\/p>\n<\/p><\/div>\n

\n
<\/div>\n

Global Export \u2014 20+ Countries<\/h3>\n

Korea Ever-Power exports quality gear parts to more than 20 countries including South Korea, Australia, Netherlands, Brazil, and Canada. ISO\/DIN 6 precision and DIN\/JIS\/AGMA\/ISO dual standard coverage means the ring gear specification translates directly to any market’s engineering documentation standard without requoting or re-specification.<\/p>\n<\/p><\/div>\n<\/div>\n

<\/p>\n

Frequently Asked Questions<\/h2>\n
\n
\n

Is Korea Ever-Power a manufacturer or trading company?<\/p>\n

Korea Ever-Power is a manufacturer. The factory covers over 2,000 m\u00b2 with 30+ skilled staff and 30+ advanced processing and inspection machines \u2014 including gear grinding machines, gear shaping machines, milling machines, CNC lathes, surface grinding machines, cylindrical grinding machines, and a Gear Testing Centre for post-machining accuracy verification. All ring gears for cement mixers and other industrial applications are produced in-house at a single facility. No sub-contracting, no trading company markup.<\/p>\n<\/div>\n

\n
\n

What is the delivery time for cement mixer ring gears?<\/p>\n

Delivery time depends on the difficulty and quantity of product processing, and a reasonable delivery time is provided per order. For standard cement mixer ring gears in stock sizes: typically 7\u201315 days. For custom ring gears (non-standard module, special tooth count, or large diameter above 1,000 mm): 30+ days depending on quantity and forging lead time. Contact Korea Ever-Power with the specification and quantity for a specific delivery time quotation before placing the order.<\/p>\n<\/div>\n

\n
\n

What precision level can Korea Ever-Power achieve for cement mixer ring gears?<\/p>\n

Korea Ever-Power achieves ISO\/DIN 6 precision as the standard production level for gear parts. For cement mixer drum ring gears, DIN 8\u201310 (lower precision) is typically adequate \u2014 the cement mixer application does not require the same accuracy as a precision gearbox because the drum drive operates at very low speed (1\u20135 rpm) where transmission error has no acoustic or dynamic effect. For higher-precision applications in the same facility (packaging machinery, printing drives, wind turbine ring gears), DIN 5\u20136 is the standard production level.<\/p>\n<\/div>\n

\n
\n

What is the monthly production capacity for ring gears?<\/p>\n

Korea Ever-Power’s monthly production capacity is 10,000+ pieces of various gear parts. For large cement mixer ring gears (OD above 500 mm), each piece requires significantly longer machining cycle time \u2014 the practical monthly capacity for large ring gears is confirmed at the quotation stage based on the specific size and configuration. For standard small-to-medium ring gears (below 300 mm OD), the 10,000+ piece monthly capacity comfortably accommodates large batch orders. Contact our team<\/a> with your required quantity and delivery schedule to confirm capacity availability.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

Customer Reviews<\/h2>\n
\n
\n

“We operate a concrete batching plant and source replacement drum ring gears M10, OD 1,200 mm in C45 galvanised from Korea Ever-Power. The galvanised surface has lasted two full batching seasons in our outdoor plant environment without corrosion on the tooth flanks \u2014 a significant improvement over the painted steel ring gears from our previous supplier that showed rust at tooth tips within 6 months. DIN 8 accuracy confirmed on our gear roll-test at incoming inspection.”<\/p>\n

Kim Jae-min<\/strong>  |  Concrete Plant Maintenance Engineer, Incheon Concrete Production Co.  ·  Q1 2026<\/em><\/p>\n<\/div>\n

\n

“We manufacture mobile concrete mixer trucks and source ring gears for cement mixers<\/a> in 20CrMnTi carburised from Korea Ever-Power. The carburised ring gear’s 62 HRC tooth surface hardness reduced our warranty claim rate for tooth surface wear from 4.2% (C45 ring gears) to 0.8% over the 3-year warranty period. Korea Ever-Power is a factory \u2014 we visited, confirmed the gear hobbing capacity to 2,000 mm OD, and placed a blanket annual order.”<\/p>\n

Lee Dong-cheol<\/strong>  |  Concrete Mixer Truck Engineering Manager, Gyeonggi Construction Equipment Co.  ·  Q4 2025<\/em><\/p>\n<\/div>\n

\n

“We supply packaging machinery drives and source ring gears M2 DIN 6 in C45 zinc-plated from Korea Ever-Power for our packaging machine planetary stages. 10,000-piece monthly capacity confirmed \u2014 our annual order of 6,000 pieces placed without capacity constraints. DIN 6 accuracy confirmed at our Gear Testing Centre. Export to our Southeast Asian customer base \u2014 Korea Ever-Power’s 20+ country export track record means our customers’ quality audit requirements are well understood.”<\/p>\n

Park Ji-won<\/strong>  |  Packaging Machinery Drive Engineer, Busan Industrial Automation Co.  ·  Q2 2026<\/em><\/p>\n<\/div>\n

\n

“We import ring gears for distribution to Australian construction equipment dealers. Korea Ever-Power’s dual DIN\/ISO standard coverage means the gear specification on our Australian customers’ drawings (often to AS\/NZS standards that map to ISO) is confirmed in the Korea Ever-Power quotation without re-specification. Sea freight from Hangzhou to Melbourne: 21 days consistent over 8 shipments. No quality issues in two years.”<\/p>\n

Choi Byeong-seok<\/strong>  |  Construction Equipment Parts Import Manager, Daejeon Pacific Parts Supply Co.  ·  Q3 2025<\/em><\/p>\n<\/div>\n

\n

“We needed a herringbone ring gear M8 OD 900 mm for a high-capacity mortar mixer \u2014 a configuration most ring gear suppliers could not quote. Korea Ever-Power’s shaping capability confirmed the herringbone profile at this size. Sample produced in 22 days. The herringbone ring gear’s noise level in our mixer drive was 8 dB(A) lower than the equivalent spur ring gear \u2014 significant for the factory floor noise environment. Production order placed.”<\/p>\n

Yoon Hyeong-chan<\/strong>  |  Industrial Mixer Drive Engineer, Ulsan Process Equipment Co.  ·  Q1 2025<\/em><\/p>\n<\/div>\n<\/div>\n

<\/p>\n

Related Products<\/h2>\n
\n
\n
\n \"Planetary
\n <\/a><\/p>\n
\n

Ring Gears<\/h3>\n

Full ring gear range: cement mixer, planetary, wind turbine, automotive, flywheel, aerospace \u2014 M0.5 to M45, OD to 2,500 mm.<\/p>\n

Browse Ring Gears \u2192<\/a>\n <\/div>\n<\/p><\/div>\n

\n
\n \"Industrial
\n <\/a><\/p>\n
\n

Helical Gears<\/h3>\n

Industrial helical gears for lower-noise drives in cement plant machinery, packaging machines, and heavy industrial equipment \u2014 the parallel-shaft complement to cement mixer ring gear assemblies.<\/p>\n

Browse Helical Gears \u2192<\/a>\n <\/div>\n<\/p><\/div>\n

\n
\n \"Engrenages
\n <\/a><\/p>\n
\n

Engrenages coniques<\/h3>\n

Forged bevel gears for right-angle drives in cement plant conveyor systems and concrete batching equipment \u2014 intersecting-shaft complement to cement mixer ring gear drive trains.<\/p>\n

Browse Bevel Gears \u2192<\/a>\n <\/div>\n<\/p><\/div>\n

\n
\n \"Forging
\n <\/a><\/p>\n
\n

Spur Gears<\/h3>\n

Forging spur gears for pinion drives in cement mixer ring gear assemblies and industrial machinery drives \u2014 matched module and material for complete ring gear\u2013pinion drive sets.<\/p>\n

Browse Spur Gears \u2192<\/a>\n <\/div>\n<\/p><\/div>\n<\/div>\n

\n

Request a Quotation for Cement Mixer Ring Gears<\/h3>\n

Module 0.5\u201320, OD to 2,000 mm, spur or herringbone. C45 \/ 20CrMnTi \/ SS304. DIN 5\u201310. Galvanised \/ chrome-plated. 10,000+ pcs\/month capacity. 20+ countries served.<\/p>\n

Get a Quote Now<\/a>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Korea Ever-Power ring gears for cement mixers: module 0.5\u201320; OD to 2,000 mm; 20\u00b0 pressure angle (non-standard available); spur or herringbone profile. Materials: C45, SS304, SAE1045, Cr12, 40Cr, 20CrMnTi, 16MnCr5, 20CrMnMo, nylon, Delrin, CuZn40. Processes: hobbing, broaching, shaping, milling, forging. Standards: DIN\/JIS\/AGMA\/ISO-GB. Grade DIN 5\u201310 \/ AGMA 6\u201310. Heat treatment: Q&T, carburising. Surface treatment: zinc-plated, chrome-plated, black oxide, galvanising. Monthly capacity 10,000+ pieces.<\/p>","protected":false},"featured_media":1614,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[4560],"product_tag":[],"class_list":["post-1613","product","type-product","status-publish","has-post-thumbnail","product_cat-ring-gear","pa_editor-cxm","first","instock","product-type-simple"],"_links":{"self":[{"href":"https:\/\/gearrack.top\/fr\/wp-json\/wp\/v2\/product\/1613","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gearrack.top\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/gearrack.top\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/gearrack.top\/fr\/wp-json\/wp\/v2\/comments?post=1613"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gearrack.top\/fr\/wp-json\/wp\/v2\/media\/1614"}],"wp:attachment":[{"href":"https:\/\/gearrack.top\/fr\/wp-json\/wp\/v2\/media?parent=1613"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/gearrack.top\/fr\/wp-json\/wp\/v2\/product_brand?post=1613"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/gearrack.top\/fr\/wp-json\/wp\/v2\/product_cat?post=1613"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/gearrack.top\/fr\/wp-json\/wp\/v2\/product_tag?post=1613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}