TD75 Belt Conveyor Parallel Self-Aligning Idler for Mining Machinery

TD75 Belt Conveyor Parallel Self-Aligning Idler for Mining Machinery

The TD75 Belt Conveyor Parallel Self-Aligning Idler is a component that keeps conveyor belts on track in mining operations. It’s part of the TD75 conveyor system, a standard design from 1975, used widely in places like mines, ports, and construction sites.

This idler sits on the return side of the belt, supporting it and fixing any drifting to prevent spills or damage. It’s built to handle tough materials like coal, ore, or gravel in harsh conditions. This page covers what it does, where it’s used, how to install it, what customers think, and answers to common questions, all in plain language to help you decide if it’s right for your setup.

TD75 Belt Conveyor Parallel Self-Aligning Idler for Mining Machinery Parameter:

Unit: mm

B	H1	A	L	L1	L2	D	≈E	P	Q	d	Rolling bearing model	Drawing No. of parallel upward centering roller	Drawing No. of parallel downward centering roller
500	166	720	600	770	628/628	89	170	170/130	130/60	M12	204	TD1C5	TD1C6
650	186	870	750	920	778/778							TD2C5	TD2C6
800	196	1070	950	1120	928/928							TD3C5	TD3C6
1000	246	1300	1150	1360	1160/1168	108	230	220/130	170/80	M16	305	TD4C5	TD4C6
1200	276	1550	1400	1610	1360/1568			260/130	200/80			TD5C5	TD5C6
1400	296	1750	1600	1810	1560/1568							TD6C5	TD6C6

TD75 Belt Conveyor Parallel Self-Aligning Idler for Mining Machinery Feature:

The TD75 Parallel Self-Aligning Idler is a flat idler with a built-in system to correct belt misalignment. Here’s what it offers:

1. Self-Aligning System

   • Uses a pivot or friction mechanism to detect and fix belt drift.

   • Rollers adjust to guide the belt back to center if it starts to wander.

2. Strong Materials

   • Roller tube made of Q235 steel (similar to SS400 or ASTM A36), built for durability.

   • Shaft made of 45# steel (like DIN C45 or ASTM A1045), hardened to resist wear.

3. Reliable Bearings

   • Deep groove ball bearings with C3 clearance and 2RZ/2Z seals for smooth operation and long life.

   • Triple labyrinth seals keep out dust, dirt, and water, making them ideal for mines or wet sites.

4. Smooth and Quiet

   • Made with precision to reduce vibration and noise during operation.

   • Helps the belt and conveyor frame last longer by minimizing wear.

5. Rust Protection

   • Comes with options like baking paint, zinc plating, or epoxy coatings for corrosion resistance.

   • Stainless steel or composite materials are available for extra-tough conditions.

6. Customizable Sizes

   • Diameters from 50mm to 219mm, lengths from 190mm to 3400mm, for belts 500mm to 2400mm wide.

   • Can be tailored with different pivot designs or brackets to fit your conveyor.

7. Meets Industry Standards

   • Built to TD75, DTII, CEMA (B, C, D, E), and ISO 9001 standards.

   • Tested for balance, runout, and alignment to ensure it works right.

TD75 Belt Conveyor Parallel Self-Aligning Idler for Mining Machinery

Installation Guidelines

Setting up the TD75 Parallel Self-Aligning Idler is pretty straightforward if you follow these steps:

1. Check Before You Start

   • Make sure the idler’s size (diameter, length, pivot type) matches your conveyor.

   • Check that the conveyor frame is straight and solid.

2. Mount the Idler

   • Place it on the return side, about every 100-150 ft for belts longer than 100 ft.

   • Use a pivot bracket or swivel mount so it can move to fix belt drift.

3. Align It Properly

   • Set the idler so it’s straight across the belt when centered.

   • Adjust the pivot angle (30°-50°) to kick in when the belt drifts.

4. Inspect Bearings and Seals

   • Ensure bearings are greased with lithium soap grease and seals are intact.

   • Don’t take the seals apart—they keep out dirt and water.

5. Set Belt Tension

   • Adjust the tension to keep the belt snug but not too tight. Use this formula:[ T = \frac{P_p \cdot 1000}{v} ] where (T) is tension (Newtons), (P_p) is power (kilowatts), and (v) is belt speed (meters per second).

6. Test It Out

   • Run the conveyor slowly to check if the idler corrects belt drift.

   • Adjust the pivot or friction setup if needed to get it right.

Tips for Installation

• Use trained workers to keep things safe and up to standard.

• Write down your setup details for future reference.

• Call if you need help getting it installed.

Maintenance Tips

A bit of regular care keeps this idler running smoothly:

• Look It Over: Check rollers, bearings, and seals every 3-6 months for wear.

• Grease the Bearings: Use lithium soap grease to keep them spinning easily.

• Clean the Belt: Add scrapers to stop material from building up on the idler.

• Check Alignment: Make sure the pivot system is working to fix belt drift.

• Use Good Parts: Stick to TD75-compliant spares for repairs.

TD75 Belt Conveyor:

Purpose and scope of use:

The TD75 universal belt conveyor has the advantages of simple structure, large conveying capacity, convenient maintenance and use, low cost, and strong universality, suitable for working in an ambient temperature range of -15°C to 40°C.If corresponding protective measures are taken, it can also be applied to occasions with special requirements, such as explosion-proof, waterproof.

Product Feature:

◆ The capacity for conveying materials is below 2.5t/m3◆ Can be divided into 500, 650, 800, 1000, 1200, 1400◆ Can be divided into: 0.8, 1.0, 1.25, 1.6, 2.0, 2.5, 3.15, 4.0

Technical Parameters:

Roller type	Speed (m/s)	Belt width（mm）	Roller type	Speed (m/s)	Belt width（mm）
		500	650	800	1000	1200	1400			500	650	800	1000	1200	1400
		Capacity Ｑ（t/h）			Capacity Ｑ（t/h）
Trough roller	0.8	78	131	―	―	―	―	Parallel roller	0.8	41	67	118	―	―	―
	1	97	164	278	435	655	891		1	52	88	147	230	345	469
	1.25	122	206	348	544	819	1115		1.25	66	110	184	288	432	588
	1.6	156	264	445	696	1048	1427		1.6	84	142	236	368	553	753
	2	191	323	546	853	1284	1748		2	103	174	289	451	677	922
	2.5	232	391	661	1033	1556	2118		2.5	125	211	350	546	821	1117
	3.15	―	―	824	1233	1858	2528		3.15	―	―	―	―	―	―
	4	―	―	―	―	2202	2996		4	―	―	―	―	―	―

Note: The conveying capacity in the table is calculated under the conditions of material bulk density r=1.0t/m3, conveyor inclination angle of 0°~7°, andmaterial dynamic stacking angle of 30°.

Customer Feedback:

Here’s what people using the TD75 Parallel Self-Aligning Idler have to say:

1. Shanxi Coal Mining Co., China

   “These idlers from [Your Company Name] stopped our belt drifting issues. We’re spending less time and money on fixes now.” – Zhang Wei, Operations Manager

2. Australian Gold Mine

   “The self-aligning feature keeps our belts on track, even with heavy loads. It’s saved us a bunch on new belts.” – Sarah Thompson, Site Engineer

3. South African Port Terminal

   “These idlers hold up great by the ocean. We barely have to maintain them, and they just keep working.” – Thabo Nkosi, Logistics Manager

4. Chilean Copper Mine

   “Our conveyor’s running better than ever with these idlers. Downtime’s down by 15%.” – Juan Morales, Maintenance Supervisor

These comments show that Raydafon makes reliable gear that customers trust.

Related Questions (FAQs):

Got questions? Here are simple answers with keywords to help you find us:

1. What’s a TD75 Parallel Self-Aligning Idler?

It’s a return-side idler that supports the belt and fixes drift using a pivot or friction system, used in mining and other industries.

2. How does it stop belt drift?

A pivot or friction mechanism senses when the belt’s off and guides it back to center.

3. What’s it made from?

Q235 steel for the tube, 45# steel for the shaft, with optional coatings like zinc or epoxy for rust protection.

4. How often should I check it?

Look at it every 3-6 months, grease the bearings, and clean off any buildup. Don’t mess with the seals.

5. Can I customize it?

Yes, we can adjust the size, pivot type, or coatings to fit your conveyor.

6. Where’s it used?

In mining, metallurgy, ports, construction, and power plants, for moving bulk materials.

7. How does it help my conveyor?

It stops belt drift, cuts spills and wear, and boosts efficiency by reducing downtime.