DTII Belt Conveyor Roller for Mining Machinery

The DTII Belt Conveyor Roller is a critical component of the DTII conveyor system, an advanced evolution of the TD75 standard, widely used in mining, coal, ports, and other heavy industries. These rollers, also known as idlers, are positioned along the conveyor to support the belt and the material it carries, ensuring smooth, efficient, and reliable transportation. Available in various types—carrying rollers, return rollers, impact rollers, and self-aligning rollers—they serve specific functions like supporting the belt, absorbing material impact, or correcting misalignment.

Designed for durability in harsh mining environments, DTII rollers reduce belt wear, minimize downtime, and enhance conveyor performance. This page covers what DTII rollers do, where they’re used, how to install them, what users say, and answers common questions, all in plain language to help you decide if they’re right for your conveyor system.

DTII Belt Conveyor Roller for Mining Machinery Dimensions:

Unit: mm

D	d	Bearing model	L	b	h	f	Weight of rotating parts (kg)	Drawing No
89	20	4G204	200	14	6	14	2.08	DTⅡGP1101
			250				2.15	DTⅡGP1102
			315				2.58	DTⅡGP1103
			465				3.87	DTⅡGP1105
			600				4.78	DTⅡGP1107
			750				5.79	DTⅡGP1109
			950				7.15	DTⅡGP1111
	25	4G205		18	8	17	7.23	DTⅡGP1211
108	20	4G204	315	14	6	14	3.46	DTⅡGP2103
			465				4.7	DTⅡGP2105
			950				8.71	DTⅡGP2111
	25	4G205	315	18	8	17	3.53	DTⅡGP2203
			380				4.07	DTⅡGP2204
			465				4.77	DTⅡGP2205
			600				5.89	DTⅡGP2207
			700				6.72	DTⅡGP2208
			950				8.74	DTⅡGP2211
			1150				8.4	DTⅡGP2212
			1400				10.03	DTⅡGP2213
		4G305	380				4.19	DTⅡGP2304
			465				4.89	DTⅡGP2305
			530				5.43	DTⅡGP2306
			600				6.01	DTⅡGP2307
			700				6.84	DTⅡGP2308
			800				7.67	DTⅡGP2310
			950				8.91	DTⅡGP2311
			1150				10.56	DTⅡGP2312
			1400				12.76	DTⅡGP2313
			1600				14.42	DTⅡGP2314
	30	4G306	465	22			5.35	DTⅡGP2405
			530				5.89	DTⅡGP2406
			800				8.12	DTⅡGP2410
			1400				13.08	DTⅡGP2413
			1600				14.73	DTⅡGP2414

 

D	d	Bearing model	L	b	h	f	Weight of rotating parts (kg)	Drawing No
133	25	4G205	380	18	8	17	6.04	DTⅡGP3204
			465				7.12	DTⅡGP3205
			600				8.84	DTⅡGP3207
			700				10.11	DTⅡGP3208
			1150				15.80	DTⅡGP3212
			1400				18.98	DTⅡGP3213
		4G305	380				6.3	DTⅡGP3304
			465				7.38	DTⅡGP3305
			530				8.21	DTⅡGP3306
			600				9.1	DTⅡGP3307
			700				10.37	DTⅡGP3308
			800				11.64	DTⅡGP3310
			1150				16.09	DTⅡGP3312
			1400				19.28	DTⅡGP3313
			1600				21.83	DTⅡGP3314
	30	4G306	465	22			8.13	DTⅡGP3405
			530				8.96	DTⅡGP3406
			800				12.4	DTⅡGP3410
			1400				18.35	DTⅡGP3413
			1600				20.9	DTⅡGP3414
159	25	4G205	465	18			9.46	DTⅡGP4205
			700				13.45	DTⅡGP4208
			1400				25.46	DTⅡGP4213
		4G305	465				9.64	DTⅡGP4305
			530				10.68	DTⅡGP4306
			700				13.6	DTⅡGP4308
			800				15.32	DTⅡGP4310
			1400				25.82	DTⅡGP4313
			1600				29.25	DTⅡGP4314
	30	4G306	465	22			10.53	DTⅡGP4405
			530				11.64	DTⅡGP4406
			800				16.27	DTⅡGP4410
			1400				26.56	DTⅡGP4413
			1600				29.99	DTⅡGP4414

DTII Belt Conveyor Roller for Mining Machinery Features:

The DTII Conveyor Roller is designed to support, guide, and protect conveyor belts in mining operations, ensuring smooth material transport and minimal maintenance. Here’s what makes it stand out:

1. Multiple Roller Types

   • Carrying Rollers: Support the loaded belt, typically trough-shaped (20°, 35°, 45°) to handle bulk materials like coal or ore.

   • Return Rollers: Support the empty belt on the return side, preventing sagging and stretching.

   • Impact Rollers: Absorb shock at loading points with rubber rings or coatings to minimize belt damage.

   • Self-aligning Rollers: Pivot to correct belt misalignment, reducing edge wear.

2. Durable Materials

   • Roller tubes made of Q235 steel (equivalent to SS400/JIS G3101/ASTM A36) for strength under heavy loads.

   • Shafts crafted from 45# steel (equivalent to DIN C45/JIS S45C/ASTM A1045) for precision and durability.

   • Optional stainless steel, rubber, or HDPE coatings for corrosion and wear resistance in harsh environments.

3. High-Quality Bearings

   • Equipped with deep groove ball bearings (6204, 6205, 6305, etc., with C3 clearance, 2RZ/2Z seals) for smooth rotation and extended lifespan.

   • Triple labyrinth seals protect against dust, dirt, and moisture, ideal for mining conditions.

4. Low Noise and Vibration

   • Precision manufacturing and balance testing ensure quiet operation and minimal vibration.

   • Reduces wear on the belt and conveyor frame, prolonging system life.

5. Corrosion Resistance

   • Options for zinc plating, baking paint, or epoxy coatings to resist rust in environments like coastal ports.

   • Stainless steel or HDPE options for added durability in abrasive or chemical conditions.

6. Customizable Design

   • Roller diameters from 76mm to 219mm, lengths from 100mm to 3000mm, fitting belts 500mm to 2400mm wide.

   • Customizable trough angles, coatings, and frame designs to suit specific conveyor layouts.

7. Standards Compliance

   • Meets DTII, DTII(A), CEMA (B, C, D, E), JIS, and ISO 9001:2008 standards for quality and safety.

   • Tested for radial runout (≤0.5mm), axial displacement (≤1.2mm), and rotation resistance (≤3.5N) to ensure reliability.

DTII Belt Conveyor Roller Applications:

The DTII Conveyor Roller is used in various conveyor systems to support and guide belts, particularly in high-tension or long-distance setups. It’s ideal for these industries:

1. Mining

   • Supports belts carrying coal, iron ore, copper, or aggregates in underground or open-pit mines.

   • Impact rollers reduce belt damage at loading points; return rollers prevent sagging on long systems like a 10 km conveyor in Inner Mongolia.

2. Metallurgy

   • Supports belts handling raw or processed metals in smelting plants.

   • Corrosion-resistant coatings withstand abrasive or high-temperature environments.

3. Ports and Terminals

   • Supports belts during loading/unloading of coal, grain, or aggregates.

   • Rust-resistant coatings are ideal for salty coastal conditions.

4. Construction

   • Supports belts carrying gravel, sand, or aggregates on job sites.

   • Works with mobile or fixed conveyors for flexible setups.

5. Power Plants

   • Supports belts handling coal or ash in fuel or waste systems.

   • Designed for dusty, high-tension environments.

DTII Belt Conveyor:

Purpose and Scope of Use:

DTII、DTII(A) fixed belt conveyors. Their main parameters, transmission power, and tension calculation methods adopt ISO international standards, and are widely used in various industries.
The material is transported by a single or multiple unit synthetic transportation system.
This conveyor is suitable for working in temperatures ranging from -25°C to 40°C.

Product Features:

◆ Conveying materials is below 2.5t/m3
◆ Can be divided into 500, 650, 800, 1000, 1200, 1400, 1600, 1800, 2000、2200, 2400
◆ Can be divided into：0.8, 1.0, 1.25, 1.6, 2.0, 2.5, 3.15、4.0, (4.5), 5.0, (5.6), 6.5

 

Belt  width  (mm)	0.8	1.0	1.25	1.6	2.0	2.5	3.15	4	(4.5)	5.0	(5.6)	6.5
500	69	87	108	139	174	217
650	127	159	198	254	318	397
800	198	248	310	397	496	620	781
1000	324	405	507	648	811	1014	1278	1622
1200		593	742	951	1188	1486	1872	2377	2674	2971
1400		825	1032	1321	1652	2065	2602	3304	3718	4130
1600					2186	2733	3444	4373	4920	5465	6122
1800					2795	3494	4403	5591	6291	6989	7829	9083
2000					3470	4338	5466	6941	7808	8676	9717	11277
2200							6843	8690	9776	10863	12166	14120
2400							8289	10526	11842	13158	14737	17104

Note:
1. The conveying capacity in the table is calculated based on horizontal transportation, with a dynamic stacking angle of 20° and a roller groove angle of 35°.
2. The belt speeds of 4.5m/s and 5.6m/s in the table are non-standard values and are generally not recommended for use.

Installation Guidelines:

Installing DTII Conveyor Rollers is straightforward with these steps:

1. Verify Specifications

   • Ensure the roller’s type (carrying, return, impact), diameter, length, and frame design match your conveyor’s belt and requirements.

   • Confirm the frame can support the roller’s weight and belt tension.

2. Position the Rollers

   • Install carrying rollers on the load side, typically in trough configurations (20°, 35°, 45°); return rollers on the underside; impact rollers at loading points.

   • Space rollers 1-1.5 meters apart for carrying rollers, 3-4 meters for return rollers, based on belt width and load.

3. Align the Rollers

   • Set rollers perpendicular to the belt to ensure even support and tracking.

   • Use a laser level or string line to align rollers with adjacent idlers for consistent performance.

4. Inspect Bearings and Seals

   • Verify bearings are lubricated with lithium soap grease and triple labyrinth seals are intact.

   • Avoid disturbing seals to maintain dust and water resistance.

5. Adjust Belt Tension

   • Set tension to keep the belt taut without overloading the rollers. Use:
     [ T = \frac{P_p \cdot 1000}{v} ] where (T) is tension (Newtons), (P_p) is power (kilowatts), and (v) is belt speed (meters/second) [].

6. Test the System

   • Run the conveyor at low speed with no load to check roller performance, belt alignment, and noise levels.

   • Adjust roller positions if the belt drifts or shows uneven wear.

Installation Tips

• Use trained technicians to meet safety and industry standards.

• Document installation details for maintenance records.

• Contact us for expert installation support.

Maintenance Tips

Regular care keeps DTII Conveyor Rollers performing well:

• Inspect Regularly: Check rollers, bearings, and frames every 3-6 months for wear or damage.

• Lubricate Bearings: Apply lithium soap grease every 6 months to ensure smooth rotation.

• Clean Rollers: Remove material buildup, especially on impact or return rollers, to maintain performance.

• Check Alignment: Ensure rollers remain perpendicular to prevent belt drift.

• Use OEM Parts: Replace with DTII-compliant parts to maintain performance.

• Avoid Damage: Do not strike rollers or frames with heavy objects to prevent damage to bearings or seals.

Customer Feedback:

Here’s what users of DTII Conveyor Rollers say:

1. Australian Iron Ore Mine

   “The impact rollers handle heavy loads without a hitch. Belt damage is down, and our system runs smoother.” – Emma Wilson, Site Engineer

2. South African Port Terminal

   “The corrosion-resistant coatings are perfect for our coastal environment. These rollers need minimal upkeep.” – Sipho Mthembu, Logistics Manager

3. Peruvian Copper Mine

   “Our conveyor’s uptime is up 20% with these rollers. They’re durable and keep the belt steady.” – Juan Perez, Maintenance Supervisor

These testimonials show [Your Company Name] delivers reliable, high-quality rollers.

Related Questions (FAQs):

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

1. What’s a DTII Conveyor Roller?

A roller (idler) in the DTII conveyor system that supports, guides, or protects the belt, available as carrying, return, impact, or self-aligning types.

2. How does it improve conveyor performance?

Carrying rollers support loads, return rollers prevent sagging, impact rollers absorb shock, and self-aligning rollers correct misalignment, reducing wear and downtime.

3. What’s it made of?

Q235 steel for roller tubes, 45# steel for shafts, with optional stainless steel, rubber, or HDPE coatings for durability.

4. How often should I maintain it?

Inspect every 3-6 months, lubricate bearings, clean rollers, and check alignment. Don’t tamper with seals.

5. Can it be customized?

Yes, we offer various sizes, trough angles, and coatings to fit your conveyor.