{"id":2559,"date":"2026-07-01T06:03:16","date_gmt":"2026-07-01T06:03:16","guid":{"rendered":"https:\/\/hydrauliccylindersprice.com\/product\/aerial-work-platform-luffing-cylinder\/"},"modified":"2026-07-01T06:03:24","modified_gmt":"2026-07-01T06:03:24","slug":"aerial-work-platform-luffing-cylinder","status":"publish","type":"product","link":"https:\/\/hydrauliccylindersprice.com\/zh\/product\/aerial-work-platform-luffing-cylinder\/","title":{"rendered":"Aerial Work Platform Luffing Cylinder"},"content":{"rendered":"

<\/p>\n
\n \"Aerial<\/p>\n
\n Aerial Work Platform \u00b7 2nd of 7<\/span><\/p>\n

Aerial Work Platform Luffing Cylinder<\/h2>\n

Same concept as the crane luffing cylinder \u2014 different priority. Cranes optimise for load capacity. Aerial platforms optimise for one thing: the people standing on the platform must never fall. Fail-safe holding, smooth motion, certified overload protection \u2014 every design decision serves personnel safety.<\/p>\n

\n
50\u2013350mm<\/span>Bore<\/span><\/div>\n
\u22643,000mm<\/span>Stroke<\/span><\/div>\n
30 MPa<\/span>Pressure<\/span><\/div>\n
Safety<\/span>First Priority<\/span><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n
\n

People on the Platform \u2014 Why This Luffing Cylinder Is Designed Differently from the Crane’s<\/span><\/h2>\n
\n \"Aerial<\/p>\n

The mobile crane luffing cylinder (#17) holds a steel load \u2014 if the boom drifts by 10 mm, the load moves 10 mm. No injury. The aerial platform luffing cylinder holds a platform with workers standing on it \u2014 if the boom drifts, people lurch. If the boom drops, people fall from height. Aerial platform regulations (EN 280, ANSI A92, AS 1418.10) impose design constraints on the luffing cylinder that go beyond what crane standards require:<\/p>\n<\/div>\n

\n
\n Fail-safe holding valve \u2014 mandatory<\/strong><\/p>\n

A counterbalance valve is not optional on an aerial platform luffing cylinder \u2014 it is mandatory by regulation. The valve must hold the platform with workers at any boom angle, even after a complete hydraulic hose failure. The valve must be mounted directly on the cylinder (not on a remote valve block connected by hoses).<\/p>\n<\/p><\/div>\n

\n Maximum lowering speed \u2014 limited<\/strong><\/p>\n

The boom lowering speed must not exceed specified limits \u2014 typically 0.4 m\/s at the platform. A sudden boom drop (even 50 mm) can throw workers off balance. The counterbalance valve’s metering orifice restricts the lowering flow, ensuring the boom descends smoothly regardless of operator input aggressiveness.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n

Korea Ever-Power manufactures the luffing cylinder as the second of seven aerial work platform hydraulic cylinders<\/a> \u2014 with the safety architecture that EN 280 and ANSI A92 require for personnel-carrying equipment.<\/p>\n<\/section>\n

\n

Technical Specifications<\/span><\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
Product<\/td>\nAerial Work Platform Luffing Cylinder<\/td>\n<\/tr>\n
Function<\/td>\nBoom up\/down pitching \u2014 main driving force for platform height<\/td>\n<\/tr>\n
Bore Diameter<\/td>\n50 mm \u2013 350 mm<\/td>\n<\/tr>\n
Rod Diameter<\/td>\n30 mm \u2013 300 mm<\/td>\n<\/tr>\n
Stroke<\/td>\n\u2264 3,000 mm<\/td>\n<\/tr>\n
Max Pressure<\/td>\n30 MPa<\/td>\n<\/tr>\n
Application<\/td>\nAerial Work Platform (boom lift, cherry picker)<\/td>\n<\/tr>\n
Certification<\/td>\nISO 9001 \u00b7 EN 280 \/ ANSI A92 compatible \u00b7 100% tested<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/section>\n
\n
\n

Smooth Motion \u2014 People Feel Every Jerk<\/h2>\n

A crane operator sits inside a cab \u2014 minor boom oscillations are barely noticed. Workers on an aerial platform basket stand in the open, 20\u201340 metres above ground \u2014 they feel every vibration, every jolt, every start\/stop transient. If the boom motion is rough, workers grip the railing, stop working, and productivity drops. If the motion is too rough, workers refuse to use the platform.<\/p>\n

\n
Cushioned stroke ends \u2014 soft start, soft stop<\/strong><\/p>\n

Internal cushions (tapered sleeves at both stroke ends) decelerate the piston smoothly before it reaches the end cap \u2014 preventing the jolt that workers feel as the boom reaches its limit. Korea Ever-Power tunes the cushion orifice to match the platform’s boom speed and inertia.<\/p>\n<\/div>\n

Low-friction seals \u2014 proportional response<\/strong><\/p>\n

High seal friction causes stick-slip at low speeds \u2014 the boom jumps in small steps instead of moving smoothly. Workers interpret this as a malfunction. PTFE-composite guide rings and low-friction polyurethane seals eliminate stick-slip, giving the operator smooth proportional control at any speed. Contact Korea Ever-Power<\/a> for aerial platform luffing cylinder specifications.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

\"Aerial<\/section>\n
\n

Manufacturing Process<\/span><\/h2>\n

Bore honed to Ra 0.2\u20130.4 \u00b5m. Chrome 50\u201380 \u00b5m. Internal cushions machined at both ends. Counterbalance valve mounting pad machined on the barrel \u2014 the valve mounts directly on the cylinder with no intermediate hose. Rod eyes forged. Seals rated -30 \u00b0C to +80 \u00b0C, polyurethane + PTFE guides + low-friction rod seal. Every luffing cylinder is hydrostatic tested at 1.5\u00d7 (45 MPa), drift tested (zero allowable boom drop under rated load), and lowering-speed tested \u2014 verifying that the platform descent rate does not exceed the EN 280 \/ ANSI A92 limit.<\/p>\n<\/section>\n

\n

OEM & ODM<\/span><\/h2>\n
\n
\n
What You Provide<\/strong><\/div>\n
\n

Platform model, boom type (articulating\/telescopic), rated platform load, boom length and weight, required lift force, maximum lowering speed, bore\/rod\/stroke, system pressure, counterbalance valve spec, applicable safety standard (EN 280\/ANSI A92), and boom pivot drawing.<\/p>\n<\/div>\n<\/div>\n

\n
What the Factory Delivers<\/strong><\/div>\n
\n

Engineering drawing with bore, rod, stroke, internal cushions, counterbalance valve mounting, low-friction seal spec, and mounting dimensions. Hydrostatic + drift + lowering-speed test certificate. Seal kits. Browse the aerial work platform cylinder family<\/a> and the Korea Ever-Power catalogue<\/a>.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\"Workshop\"<\/section>\n

\n

FAQ<\/span><\/h2>\n
\n
\n

How does this differ from the crane luffing cylinder (#17)?<\/h3>\n

Lower pressure (30 vs 36 MPa \u2014 lighter loads), mandatory counterbalance valve (regulated, not optional), internal cushions (for smooth motion), lowering speed limit (EN 280 compliance), and drift test to zero tolerance (not the \u22645 mm\/10 min limit used for excavator boom cylinders). The crane cylinder is engineered for maximum force; the platform cylinder is engineered for maximum safety.<\/p>\n<\/div>\n

\n

What happens during a power failure at height?<\/h3>\n

The counterbalance valve locks the boom in position \u2014 the platform stays at its current height. Workers are safe but stranded until power is restored or a manual emergency lowering valve is activated. The emergency lowering valve allows gravity-assisted descent at a controlled speed \u2014 the luffing cylinder retracts slowly, lowering the platform to ground level.<\/p>\n<\/div>\n

\n

Is the bore range (50\u2013350 mm) used fully?<\/h3>\n

Yes \u2014 the range covers everything from small trailer-mounted platforms (50\u201380 mm bore, 10 m working height) to the largest self-propelled boom lifts (200\u2013350 mm bore, 40+ m working height). The majority of rental-fleet boom lifts fall in the 100\u2013200 mm bore range. Browse telescopic cylinders<\/a> and forklift cylinders<\/a>.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

\n

Related Categories<\/span><\/h2>\n
<\/p>\n
\n
\"Telescopic\"<\/div>\n
\n
Telescopic Hydraulic Cylinders \u2192<\/div>\n
Dump truck, trailer, hoist.<\/div>\n<\/div>\n<\/div>\n

<\/a><\/p>\n

\n
\"Forklift\"<\/div>\n
\n
Forklift Hydraulic Cylinders \u2192<\/div>\n
Lift, tilt, steer \u2014 OEM.<\/div>\n<\/div>\n<\/div>\n

<\/a><\/p>\n

\n
\"AWV\"<\/div>\n
\n
Aerial Work Vehicle Cylinders \u2192<\/div>\n
Scissor, boom, platforms.<\/div>\n<\/div>\n<\/div>\n

<\/a><\/div>\n<\/section>\n

<\/main><\/p>","protected":false},"excerpt":{"rendered":"

Aerial work platform luffing cylinder \u2014 the hydraulic actuator that controls the boom angle on articulating and telescopic boom lifts (cherry pickers). The same luffing concept as the mobile crane (#17), but with a fundamentally different design priority: the crane luffing cylinder is optimised for load capacity and cycle speed; the aerial platform luffing cylinder is optimised for personnel safety. People stand on the platform \u2014 if the boom drops, workers fall. Every design decision prioritises fail-safe holding, smooth motion, and certified overload testing. Bore 50\u2013350 mm, stroke \u22643,000 mm, 30 MPa. Korea Ever-Power. ISO 9001. OEM & ODM.<\/div>","protected":false},"featured_media":2560,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[854],"product_tag":[],"class_list":["post-2559","product","type-product","status-publish","has-post-thumbnail","product_cat-mobile-machinery-hydraulic-cylinders","pa_editor-cxm","first","instock","product-type-simple"],"_links":{"self":[{"href":"https:\/\/hydrauliccylindersprice.com\/zh\/wp-json\/wp\/v2\/product\/2559","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hydrauliccylindersprice.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hydrauliccylindersprice.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/hydrauliccylindersprice.com\/zh\/wp-json\/wp\/v2\/comments?post=2559"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hydrauliccylindersprice.com\/zh\/wp-json\/wp\/v2\/media\/2560"}],"wp:attachment":[{"href":"https:\/\/hydrauliccylindersprice.com\/zh\/wp-json\/wp\/v2\/media?parent=2559"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/hydrauliccylindersprice.com\/zh\/wp-json\/wp\/v2\/product_brand?post=2559"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hydrauliccylindersprice.com\/zh\/wp-json\/wp\/v2\/product_cat?post=2559"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hydrauliccylindersprice.com\/zh\/wp-json\/wp\/v2\/product_tag?post=2559"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}