{"id":238,"date":"2026-07-10T05:32:40","date_gmt":"2026-07-10T05:32:40","guid":{"rendered":"https:\/\/industrialelectricmotor.net\/?p=238"},"modified":"2026-07-10T05:36:33","modified_gmt":"2026-07-10T05:36:33","slug":"worm-gearmotor-for-inclined-conveyor","status":"publish","type":"post","link":"https:\/\/industrialelectricmotor.net\/de\/worm-gearmotor-for-inclined-conveyor\/","title":{"rendered":"Worm Gearmotor for Inclined Conveyor"},"content":{"rendered":"
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Korea Ever-Power \u00b7 NMRV Series \u00b7 Inclined Conveyor Self-Locking Drive Guide<\/span><\/p>\n

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Worm Gearmotor for Inclined Conveyor:
\nSelf-Locking, Anti-Rollback and Drive Selection<\/span><\/h1>\n

An inclined belt or screw conveyor loaded with material will roll back under gravity the instant the motor stops, unless the drive mechanism provides a holding force. The worm gearmotor solves this problem through its inherent self-locking property: at gear ratios of 40:1 and above, the worm gear geometry prevents the output shaft from being back-driven by the load, holding the conveyor stationary without any additional mechanical brake or holding device. This guide covers self-locking verification, ratio selection for inclined conveyor applications, anti-rollback limits, and NMRV gearmotor specifications for inclined belt and screw conveyor drives.<\/p>\n

Self-Locking at 40:1+<\/span>
\nNo External Brake Needed<\/span>
\nRight-Angle Compact<\/span>
\n5\u00b0\u201345\u00b0 Incline<\/span>
\n0.06\u201322 kW<\/span><\/div>\n<\/div>\n<\/div>\n

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\n
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40:1+<\/div>\n
Reliable self-locking ratio<\/div>\n<\/div>\n
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\u03bc < 0.14<\/div>\n
Self-locking friction condition<\/div>\n<\/div>\n
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5\u00b0\u201345\u00b0<\/div>\n
Incline angle coverage<\/div>\n<\/div>\n
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14 rpm<\/div>\n
Min output at 100:1 ratio<\/div>\n<\/div>\n
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NMRV 050\u2013090<\/div>\n
Typical sizes for inclined conveyors<\/div>\n<\/div>\n<\/div>\n

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\"Worm<\/p>\n

Korea Ever-Power NMRV worm gearmotor \u2014 the right-angle output configuration and inherent self-locking property at ratios of 40:1 and above make the NMRV series the standard drive specification for inclined belt conveyors and screw elevators where load rollback prevention is required without an external mechanical brake.<\/div>\n<\/div>\n

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Contents<\/div>\n
1. Rollback Risk on Inclined Conveyors<\/a>
\n2. Self-Locking Theory of Worm Gears<\/a>
\n3. Ratio Selection for Incline Angle<\/a>
\n4. Self-Locking Reliability Limits<\/a>
\n5. Thermal Duty on Inclined Drive<\/a>
\n6. NMRV Specifications for Inclined Conveyor<\/a>
\n7. Inclined Conveyor Applications<\/a>
\n8. Frequently Asked Questions<\/a><\/div>\n<\/div>\n

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1. Rollback Risk on Inclined Conveyors<\/h2>\n

Any conveyor operating at an incline above the angle of repose of the material being conveyed will experience reverse material movement under gravity when the drive motor is de-energised. For belt conveyors, this is rollback of the belt and load; for screw conveyors, this is reverse rotation of the screw under the weight of material in the trough. The severity of rollback depends on the incline angle, the material bulk density, and the length of the loaded section.<\/p>\n

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Belt Conveyor Rollback Consequences<\/div>\n

When a loaded inclined belt conveyor rolls back, the belt reverses direction under the weight of material on the carrying side. If the drive is a standard helical or bevel gearbox without a backstop or brake, the rollback speed can reach 2 to 5 times normal belt speed as the load accelerates under gravity. At this speed the belt can jump the troughing idlers, spill material, or snap if the rollback is arrested suddenly by the drive coming back on-line. A NMRV worm gearmotor with ratio 40:1 or above holds the belt stationary instantly when the motor stops, preventing all rollback movement.<\/p>\n<\/div>\n

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Screw Conveyor Rollback Consequences<\/div>\n

An inclined screw conveyor (screw elevator) transporting granular material at angles above 15 degrees will reverse under gravity when the motor stops, discharging material back to the inlet end. At steep angles (30 to 45 degrees), this reverse flow is fast and violent, potentially jamming the inlet with a surge of returned material. The NMRV worm gear reducer<\/a> self-locking property at 40:1 and above holds the screw stationary when the motor is de-energised, preventing any back-flow of material.<\/p>\n<\/div>\n

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When Is Rollback Protection Not Required?<\/div>\n

Conveyors on shallow inclines (below 10 degrees) conveying materials with a high angle of repose (coarse aggregate, wood chips, or material on a belt with high sidewall friction) may stop without rollback even without a self-locking drive. However, if the conveyor is restarted under full load without rollback protection, the motor must produce sufficient locked-rotor torque to restart the belt against both the running resistance and the static belt tension \u2014 which at shallow inclines is often within the Y2 motor capability without additional measures.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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2. Self-Locking Theory of Worm Gears<\/h2>\n
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Self-Locking Condition and Lead Angle<\/div>\n
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Self-locking condition:<\/div>\n
A worm gear is self-locking when:
\ntan(\u03bb) < \u03bc \/ cos(\u03b1)<\/strong>
\nwhere:
\n\u03bb = worm lead angle
\n\u03bc = coefficient of friction at worm-wheel interface
\n\u03b1 = pressure angle of worm (typically 20\u00b0)Lead angle \u03bb decreases as ratio increases \u2014 higher ratio = smaller lead angle = more reliable self-locking.<\/div>\n<\/div>\n
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Lead angle vs ratio (NMRV typical):<\/div>\n\n\n\n\n\n\n\n
Ratio 5:1<\/td>\n\u03bb \u2248 22\u00b0 \u2014 not self-locking<\/td>\n<\/tr>\n
Ratio 15:1<\/td>\n\u03bb \u2248 11\u00b0 \u2014 borderline<\/td>\n<\/tr>\n
Ratio 30:1<\/td>\n\u03bb \u2248 5.5\u00b0 \u2014 usually self-locking<\/td>\n<\/tr>\n
Ratio 40:1<\/td>\n\u03bb \u2248 4.2\u00b0 \u2014 reliably self-locking<\/td>\n<\/tr>\n
Ratio 60:1+<\/td>\n\u03bb < 3\u00b0 \u2014 strongly self-locking<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n

The self-locking property relies on friction at the worm-wheel contact interface. The coefficient of friction \u03bc between phosphor-bronze wheel and hardened steel worm in normal NMRV gearboxes is 0.08 to 0.15 depending on sliding speed, lubricant viscosity, and operating temperature. At friction coefficient above 0.14 and lead angle below 5 degrees (ratio 40:1 and above), the worm gear is self-locking under all normal operating conditions. Below 0.08 friction coefficient (for example, with a flooded oil bath at high temperature), self-locking may be lost even at high ratios \u2014 a key limitation that governs the safe use of worm gear self-locking for inclined conveyor anti-rollback.<\/p>\n<\/div>\n

\"about-warehouse-storage\"<\/p>\n

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3. Gear Ratio Selection for Inclined Conveyor Output Speed<\/h2>\n

The gear ratio is determined by both the required output speed and the self-locking requirement. For inclined conveyor applications, always select a ratio of 40:1 or above regardless of the required output speed \u2014 if the required speed is higher than the minimum achievable at 40:1, the incline angle and load must be reviewed to confirm whether a non-self-locking drive with an external backstop or brake is acceptable.<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Conveyor Type<\/th>\nTypical Output Speed<\/th>\nMin Ratio (Self-Lock)<\/th>\nNMRV Size<\/th>\nMotor Power<\/th>\n<\/tr>\n<\/thead>\n
Inclined belt (light material)<\/td>\n20\u201350 rpm<\/td>\n40:1 min<\/td>\nNMRV 063\u2013075<\/td>\n0.55\u20132.2 kW<\/td>\n<\/tr>\n
Inclined belt (medium load)<\/td>\n15\u201336 rpm<\/td>\n40:1 min<\/td>\nNMRV 075\u2013090<\/td>\n1.5\u20135.5 kW<\/td>\n<\/tr>\n
Screw elevator (15\u00b0\u201330\u00b0)<\/td>\n30\u201390 rpm<\/td>\n40:1 min<\/td>\nNMRV 063\u2013090<\/td>\n0.75\u20134.0 kW<\/td>\n<\/tr>\n
Screw elevator (30\u00b0\u201345\u00b0)<\/td>\n20\u201360 rpm<\/td>\n60:1 min<\/td>\nNMRV 075\u2013090<\/td>\n1.1\u20135.5 kW<\/td>\n<\/tr>\n
Vertical screw (90\u00b0)<\/td>\n15\u201340 rpm<\/td>\nBrake required<\/td>\nNMRV 075\u2013090<\/td>\n1.5\u20137.5 kW<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Output Speed Calculation \u2014 Screw Elevator Example<\/div>\n

Screw diameter = 200 mm. Target throughput = 10 t\/h. Material: wheat grain, 780 kg\/m\u00b3. Screw pitch = 200 mm. Required rpm = (10,000 kg\/h \u00f7 780 kg\/m\u00b3) \u00f7 (\u03c0 \u00d7 0.1\u00b2 \u00d7 0.2 m \u00d7 60 min\/h \u00d7 filling factor 0.4) = 12.8 m\u00b3\/h \u00f7 0.094 m\u00b3\/rev \u00f7 60 = approx. 57 rpm<\/strong>. At 4-pole motor 1,450 rpm: ratio required = 1,450 \u00f7 57 = 25.4. But to satisfy self-locking requirement, select 40:1 \u2192 output 36 rpm. Increase screw diameter or pitch to achieve target throughput at 36 rpm. Select NMRV 075, ratio 40:1, Y2 1.1 kW, 4-pole.<\/strong><\/p>\n<\/div>\n<\/div>\n

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4. Self-Locking Reliability Limits and When to Add a Brake<\/h2>\n
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Vibration Can Release Self-Locking<\/div>\n

A worm gear that is reliably self-locking under static conditions can be induced to creep by continuous vibration at the output shaft. If the conveyor drive is subject to significant vibration from the conveyor structure, material impact, or adjacent machinery, the vibratory energy can reduce the effective friction coefficient below the self-locking threshold, allowing slow reverse creep. For applications with significant vibration, add a Y2EJ brake motor in place of the standard Y2 motor on the NMRV gearbox to provide positive holding regardless of vibration conditions.<\/p>\n<\/div>\n

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High Oil Temperature Reduces Friction<\/div>\n

The coefficient of friction at the worm-wheel contact falls significantly as lubricant viscosity decreases with temperature. At gearbox oil temperatures above 70\u00b0C (which can occur at high duty factors or in high ambient temperature environments), the friction coefficient may fall below the self-locking threshold even at ratios of 40:1 or above. Monitor gearbox oil temperature during commissioning and in hot ambient conditions. If oil temperature approaches 80\u00b0C, either reduce duty factor, improve ventilation, or add a Y2EJ brake motor to provide positive holding independent of the self-locking friction state.<\/p>\n<\/div>\n

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When to Specify Y2EJ Brake Motor<\/div>\n

Specify a Y2EJ brake motor on the NMRV gearbox rather than a standard Y2 when any of the following apply: (1) conveyor incline above 30 degrees where rollback force is high; (2) personnel or product could be injured or damaged by a rollback event; (3) application is subject to significant vibration; (4) ambient temperature above 40\u00b0C or expected gearbox oil temperature above 70\u00b0C; (5) ratio between 20:1 and 35:1 where self-locking is not reliable. The Y2EJ brake motor adds fail-safe positive holding at no increase in gearbox size or conveyor mechanism complexity.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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5. Thermal Duty Considerations for Inclined Conveyor Drives<\/h2>\n

Inclined conveyor drives typically operate at higher duty factors than horizontal conveyors because the gravitational component of the belt load does not reduce to zero even when the conveyor is lightly loaded \u2014 the drive must always overcome the weight of the belt on the return side incline. This increases the average running torque compared to an equivalent horizontal conveyor at the same throughput.<\/p>\n

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NMRV Gearbox Thermal Service Factor on Incline<\/div>\n

The NMRV gearbox thermal rating is based on continuous S1 duty with the stated input power. Inclined conveyor drives operate continuously (S1) at an elevated average torque compared to horizontal conveyors. Apply a service factor of 1.25 to 1.5 to the calculated gearbox input power when selecting the NMRV size for an inclined conveyor application to ensure the gearbox thermal rating is not exceeded during extended continuous operation under maximum load.<\/p>\n<\/div>\n

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Non-Standard Mounting Orientation Oil Fill<\/div>\n

When an NMRV gearmotor is mounted at an angle to drive an inclined conveyor, the standard oil fill quantity and plug positions may not be appropriate for the inclined mounting orientation. Always specify the mounting orientation angle when ordering the NMRV for an inclined conveyor application so that Korea Ever-Power can supply the gearbox with the correct oil fill and plug positions for the specific mounting angle. Incorrect oil fill in a non-standard orientation leads to either oil starvation of the worm mesh (underfill) or oil leakage through the shaft seal (overfill).<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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6. NMRV Gearmotor Specifications for Inclined Conveyor Drives<\/h2>\n
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Korea Ever-Power NMRV worm gearmotors for inclined conveyor applications are supplied as matched and assembled combinations of Y2 motor or Y2EJ brake motor with NMRV 050 through 090 worm gear reducer at ratios from 40:1 to 100:1. The right-angle output configuration allows the gearmotor to mount at the drive pulley or screw end without requiring a 90-degree bevel gearbox stage, reducing drive complexity and cost. All NMRV sizes accept both Y2 and Y2EJ motor input with no modification to the gearbox. The complete range is available in the gearmotor product section<\/a>. Contact Korea Ever-Power<\/a> for inclined mounting orientation specifications and oil fill confirmation.<\/p>\n<\/div>\n

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NMRV \u2014 Inclined Conveyor Data<\/div>\n\n\n\n\n\n\n\n\n\n\n
Self-locking ratio<\/td>\n40:1 and above<\/td>\n<\/tr>\n
Ratio range<\/td>\n5:1 to 100:1 (select 40:1+)<\/td>\n<\/tr>\n
Motor options<\/td>\nY2 or Y2EJ brake motor<\/td>\n<\/tr>\n
Power range<\/td>\n0.06\u201322 kW<\/td>\n<\/tr>\n
Output speed (4P, 40:1)<\/td>\n36 rpm<\/td>\n<\/tr>\n
Output speed (4P, 100:1)<\/td>\n14.5 rpm<\/td>\n<\/tr>\n
Output shaft<\/td>\nSolid or hollow bore<\/td>\n<\/tr>\n
Mounting<\/td>\nConfirm orientation for oil fill<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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7. Inclined Conveyor Applications<\/h2>\n\n\n\n
\"NMRV<\/p>\n
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Grain and Feed Screw Elevator<\/div>\n

Inclined screw conveyors (15 to 45 degrees) transferring grain, feed pellets, rice, and flour in grain handling facilities and feed mills. NMRV 075\u2013090 with Y2 or Y2EJ at 40:1 to 60:1. Screw speeds 20 to 60 rpm. Self-locking at 40:1 prevents reverse flow of grain when motor stops. Hollow bore output option allows direct mount onto screw shaft without separate coupling and coupling guard.<\/p>\n<\/div>\n<\/td>\n

\"NMRV<\/p>\n
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Inclined Belt Conveyor (Light to Medium Material)<\/div>\n

Inclined belt conveyors at 10 to 30 degrees handling light to medium bulk materials (sugar, salt, plastic pellets, grain, coffee beans, lightweight aggregate). NMRV 063\u2013090 with Y2 at 40:1 to 60:1 provides self-locking anti-rollback and slow conveyor speed (24 to 36 rpm at drive roller) suitable for product integrity. For steeper inclines or heavy aggregate, upgrade to Y2 with inline helical gearbox plus backstop device rather than relying on NMRV self-locking alone.<\/p>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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Waste and Recycling Incline<\/div>\n

Municipal solid waste sorting lines use inclined belt conveyors at 20 to 30 degrees to feed material to sorting stations. NMRV 075 at 40:1 to 60:1 with Y2 4-pole 0.75 to 2.2 kW. Self-locking prevents waste material from sliding back and jamming the infeed when the conveyor stops between production runs.<\/p>\n<\/div>\n

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Greenhouse Growing Tray Elevator<\/div>\n

Inclined belt or slat conveyor elevating growing trays between floor levels in vertical farm and greenhouse facilities. Very light load but steep incline (30 to 45 degrees). NMRV 040\u2013050 at 60:1 to 100:1 with Y2 0.12 to 0.37 kW. Self-locking essential to prevent tray descent between cycles.<\/p>\n<\/div>\n

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Boiler Fuel Feed Screw<\/div>\n

Biomass and wood chip inclined screw conveyor feeding boiler combustion chamber. Steep incline 30 to 60 degrees. NMRV 075\u2013090 with Y2EJ brake motor at 40:1 to 60:1 \u2014 Y2EJ brake motor specified because vibration from the boiler and conveyor chain could release worm self-locking; fail-safe brake provides positive holding between feed cycles.<\/p>\n<\/div>\n

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Retail Display Elevator<\/div>\n

Inclined belt or slat conveyor in retail display gondola or automated vending system. Very compact installation in store fixture. NMRV 025\u2013040 at 60:1 to 100:1, Y2 or YS 0.06 to 0.18 kW. Self-locking prevents product from sliding back on display when conveyor pauses between customer purchases.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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\"Korea<\/p>\n

Worm Shaft Grinding<\/div>\n<\/div>\n
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\"Korea<\/p>\n

Back-Drive Lock Test<\/div>\n<\/div>\n
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\"Korea<\/p>\n

Stock Ready<\/div>\n<\/div>\n
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\"Korea<\/p>\n

Global Export<\/div>\n<\/div>\n<\/div>\n

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8. Frequently Asked Questions<\/h2>\n
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My NMRV gearmotor at 40:1 ratio drifts very slowly when the motor is stopped. What is causing this?<\/div>\n<\/div>\n
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Slow creep or drift at the output shaft of an NMRV gearmotor when the motor is stopped indicates that the self-locking condition is not being reliably maintained. The most common causes are: (1) gearbox oil temperature is too high \u2014 check the gearbox housing temperature and confirm it is below 70\u00b0C; above this temperature the lubricant viscosity drops significantly and friction coefficient falls; (2) the load torque is above the self-locking threshold \u2014 if the actual load is significantly higher than the calculated load, the friction requirement may not be met; (3) external vibration from the conveyor or adjacent machinery is reducing the effective holding friction. Remedies in order of preference: check and reduce gearbox oil temperature; verify the load torque is within the gearbox rating; add a Y2EJ brake motor to provide positive holding independently of the worm self-locking property. For any safety-critical inclined conveyor where a rollback event could injure personnel or damage product, replace reliance on self-locking with a Y2EJ brake motor as the primary holding mechanism, using the worm self-locking as a secondary safety feature only.<\/p>\n<\/div>\n<\/div>\n

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Can I use a NMRV worm gearmotor to drive a vertical screw conveyor (elevator) at 90 degrees?<\/div>\n<\/div>\n
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A NMRV worm gearmotor can mechanically drive a vertical screw, but should not be relied upon for self-locking at vertical installation for anti-rollback purposes. At vertical installation, the full weight of the material in the screw trough acts directly on the screw against the drive direction, and any reduction in friction (from vibration, high temperature, or oil film build-up) will cause immediate reverse rotation. For vertical screw elevators (90-degree installation), always specify a Y2EJ brake motor in place of the standard Y2 motor on the NMRV gearbox. The Y2EJ brake provides positive holding regardless of the self-locking state of the worm gear, making the drive suitable for vertical installation. Additionally, the mounting orientation must be specified as VB (vertical, motor below) or VF (vertical, motor above) so that the gearbox is supplied with the correct oil fill level and breathing arrangement for vertical installation.<\/p>\n<\/div>\n<\/div>\n

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What is the correct oil change interval for a NMRV gearmotor on a continuously running inclined conveyor?<\/div>\n<\/div>\n
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Korea Ever-Power NMRV gearmotors are factory-filled with ISO VG 150 or VG 220 mineral gear oil appropriate for the gearbox size. For a continuously running inclined conveyor at normal ambient temperature (below 40\u00b0C), the first oil change should be performed after 500 operating hours to remove any initial metal particles from the worm and wheel run-in period. Subsequent oil changes should be performed every 3,000 operating hours or annually, whichever comes first. If the gearbox operates at elevated temperature (oil temperature above 60\u00b0C), reduce the oil change interval to 1,500 hours. Use synthetic gear oil (PAO ISO VG 150) if the gearbox consistently operates at high temperature \u2014 synthetic oil provides better viscosity stability at high temperature and extends the self-locking reliability window compared to mineral oil under the same conditions. Always check oil level at monthly maintenance intervals; inclined mounting may cause oil to migrate within the housing and appear lower at the level plug than in horizontal mounting.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Korea Ever-Power \u00b7 NMRV Worm Gearmotors \u00b7 Self-Locking Inclined Conveyor Drives<\/div>\n

Need a Self-Locking Gearmotor for Your Inclined Conveyor?<\/h2>\n

Korea Ever-Power NMRV: ratios 5:1 to 100:1, self-locking at 40:1 and above, Y2 or Y2EJ brake motor, solid and hollow bore output, all mounting orientations. Engineering support for inclined conveyor sizing.<\/p>\n

View Gearmotor Range<\/a><\/p>\n<\/div>\n<\/div>\n

Edited by Cxm<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Korea Ever-Power \u00b7 NMRV Series \u00b7 Inclined Conveyor Self-Locking Drive Guide Worm Gearmotor for Inclined Conveyor: Self-Locking, Anti-Rollback and Drive Selection An inclined belt or screw conveyor loaded with material will roll back under gravity the instant the motor stops, unless the drive mechanism provides a holding force. The worm gearmotor solves this problem through […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[28],"tags":[],"class_list":["post-238","post","type-post","status-publish","format-standard","hentry","category-industrial-electric-motor"],"_links":{"self":[{"href":"https:\/\/industrialelectricmotor.net\/de\/wp-json\/wp\/v2\/posts\/238","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/industrialelectricmotor.net\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/industrialelectricmotor.net\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/industrialelectricmotor.net\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/industrialelectricmotor.net\/de\/wp-json\/wp\/v2\/comments?post=238"}],"version-history":[{"count":4,"href":"https:\/\/industrialelectricmotor.net\/de\/wp-json\/wp\/v2\/posts\/238\/revisions"}],"predecessor-version":[{"id":245,"href":"https:\/\/industrialelectricmotor.net\/de\/wp-json\/wp\/v2\/posts\/238\/revisions\/245"}],"wp:attachment":[{"href":"https:\/\/industrialelectricmotor.net\/de\/wp-json\/wp\/v2\/media?parent=238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/industrialelectricmotor.net\/de\/wp-json\/wp\/v2\/categories?post=238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/industrialelectricmotor.net\/de\/wp-json\/wp\/v2\/tags?post=238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}